QISS Papers
You can find the publications of the first phase of the QISS grant here.
Nonequilibrium entanglement between levitated masses under optimal control
Alexander N. Poddubny, Klemens Winkler, Benjamin A. Stickler, Uroš Delić, Markus Aspelmeyer, Anton V. Zasedatelev
IQOQI Vienna
Preprint: 2408.06251
Steady-state entanglement of interacting masses in free space through optimal feedback control
Klemens Winkler, Anton V. Zasedatelev, Benjamin A. Stickler, Uroš Delić, Andreas Deutschmann-Olek, Markus Aspelmeyer
IQOQI Vienna
Preprint: 2408.07492
Quantum Algorithms for Compositional Text Processing
Tuomas Laakkonen, Konstantinos Meichanetzidis, Bob Coecke
Quantinuum
Preprint: 2408.06061
Journal: EPTCS 406, 2024, pp. 162-196
Experimental quantum-enhanced kernels on a photonic processor
Zhenghao Yin, Iris Agresti, Giovanni de Felice, Douglas Brown, Alexis Toumi, Ciro Pentangelo, Simone Piacentini, Andrea Crespi, Francesco Ceccarelli, Roberto Osellame, Bob Coecke, Philip Walther
Quantinuum
Preprint: 2407.20364
Planck stars, White Holes, Remnants and Planck-mass quasi-particles. The quantum gravity phase in black holes’ evolution and its manifestations
Why you do not need to worry about the standard argument that you are a Boltzmann brain
Quantum Null Geometry and Gravity
Relational objectivity in presence of finite quantum resources
Eliminating the impossible: Recent progress on local measurement theory for quantum field theory
Particle-field duality in QFT measurements
Maria Papageorgiou, Jose de Ramon, Charis Anastopoulos
IQOQI Vienna
Preprint: 2308.14718
Journal: Phys. Rev. D 109, 065024
Photonic Implementation of Quantum Gravity Simulator
Emanuele Polino, Beatrice Polacchi, Davide Poderini, Iris Agresti, Gonzalo Carvacho, Fabio Sciarrino, Andrea Di Biagio, Carlo Rovelli, Marios Christodoulou
, UWO London,
Preprint: 2207.01680
Journal: Advanced Photonics Nexus, Vol. 3, Issue 3, 036011 (May 2024)
Diagrams and GPTs for Quantum Gravity
Variational quantum cloning machine on a photonic integrated interferometer
Francesco Hoch, Giovanni Rodari, Eugenio Caruccio, Beatrice Polacchi, Gonzalo Carvacho, Taira Giordani, Mina Doosti, Sebastià Nicolau, Ciro Pentangelo, Simone Piacentini, Andrea Crespi, Francesco Ceccarelli, Roberto Osellame, Ernesto F. Galvão, Nicolò Spagnolo, Fabio Sciarrino
QILab Rome
Preprint: 2407.06026
Experimental verifiable multi-client blind quantum computing on a Qline architecture
Beatrice Polacchi, Dominik Leichtle, Gonzalo Carvacho, Giorgio Milani, Nicolò Spagnolo, Marc Kaplan, Elham Kashefi, Fabio Sciarrino
QILab Rome
Preprint: 2407.09310
A time operator and the time-of-arrival problem in quantum field theory
Wigner’s friend scenarios: on what to condition and how to verify the predictions
Hybrid Quantum-Classical Machine Learning with String Diagrams
Boltzmann Bridges
Jordan Scharnhorst, David Wolpert, Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute
Preprint: 2407.02840
Princeton seminars on physics and philosophy
Null Infinity and Horizons: A New Approach to Fluxes and Charges
General Communication Enhancement via the Quantum Switch
Zhen Wu, James Fullwood, Zhihao Ma, Siqi Zhou, Qi Zhao, Giulio Chiribella
QICI Hong Kong
Preprint: 2407.02726
A diagrammatic language for the Causaloid framework
Towards Compositional Interpretability for XAI
Indefinite Causal Structure and Causal Inequalities with Time-Symmetry
The sum of entanglement and subsystem coherence is invariant under quantum reference frame transformations
Carlo Cepollaro, Ali Akil, Paweł Cieśliński, Anne-Catherine de la Hamette, Časlav Brukner
Preprint: 2406.19448
Tomography of clock signals using the simplest possible reference
The Bose-Marletto-Vedral proposal in different frames of reference and the quantum nature of gravity
On the Carrollian Nature of the Light Front
Geometry of Carrollian Stretched Horizons
Quantum homogenization as a quantum steady-state protocol on noisy intermediate-scale quantum hardware
Alexander Yosifov, Aditya Iyer, Daniel Ebler, and Vlatko Vedral
Oxford Physics Department
Preprint: –
Journal: Phys. Rev. A 109, 032624
Planar Rotor in Matrix Mechanics and the Role of States in Quantum Physics
The communication power of a noisy qubit
Causal structure in spin-foams
Eugenio Bianchi, Pierre Martin-Dussaud
Preprint: 2109.00986
Journal: Universe 2024, 10(4), 181
Is Planckian discreteness observable in cosmology?
Centerless-BMS charge algebra
Mock-local energy density of gravitational waves
Exploring the Local Landscape in the Triangle Network
Elisa Bäumer, Victor Gitton, Tamás Kriváchy, Nicolas Gisin, Renato Renner
ETH Zürich
Preprint: 2405.08939
ZX-calculus is Complete for Finite-Dimensional Hilbert Spaces
Primordial power spectrum at N3LO in effective theories of inflation
Semi-device independent characterization of multiphoton indistinguishability
Giovanni Rodari, Leonardo Novo, Riccardo Albiero, Alessia Suprano, Carlos T. Tavares, Eugenio Caruccio, Francesco Hoch, Taira Giordani, Gonzalo Carvacho, Marco Gardina, Niki Di Giano, Serena Di Giorgio, Giacomo Corrielli, Francesco Ceccarelli, Roberto Osellame, Nicolò Spagnolo, Ernesto F. Galvão, Fabio Sciarrino
QILab Rome
Preprint: 2404.18636
Gravitational entropy is observer-dependent
Non-abelian symmetry-resolved entanglement entropy
Eugenio Bianchi, Pietro Dona, Rishabh Kumar
Preprint: 2405.00597
What an event is not: unravelling the identity of events in quantum theory and gravity
Typical behaviour of genuine multimode entanglement of pure Gaussian states
Channel-State duality with centers
Dirac quantum walk on tetrahedra
Ugo Nzongani, Nathanaël Eon, Iván Márquez-Martín, Armando Pérez, Giuseppe Di Molfetta, Pablo Arrighi
Paris-Saclay
Preprint: 2404.09840
Catalysing Completeness and Universality
Maximum and minimum causal effects of quantum processes
Scalable spider nests (…or how to graphically grok transversal non-Clifford gates)
Space-time deterministic graph rewriting
On the definition of the spin charge in asymptotically-flat spacetimes
Laurent Freidel, Seyed Faroogh Moosavian, Daniele Pranzetti
Perimeter Institute
Preprint: 2403.19547
Relativization is naturally functorial
Matrix Mechanics of a Particle in a One-Dimensional Infinite Square Well
Causal Graph Dynamics and Kan Extensions
Spinfoams, $gamma$-duality and parity violation in primordial gravitational waves
Information-theoretic derivation of energy and speed bounds
Local fraction in Static Causal Orders
A de Finetti theorem for quantum causal structures
Fast classical simulation of quantum circuits via parametric rewriting in the ZX-calculus
A complete logic for causal consistency
Generic ETH: Eigenstate Thermalization beyond the Microcanonical
On the Time Orientation of Probability
Andrea Di Biagio, Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute, IQOQI Vienna
Preprint: 2403.01062
Gravitationally Mediated Entanglement with Superpositions of Rotational Energies
Tsirelson bounds for quantum correlations with indefinite causal order
Covariance and symmetry algebras
Null Infinity as a Weakly Isolated Horizon
Quantum Circuit Optimization with AlphaTensor
Francisco J. R. Ruiz, Tuomas Laakkonen, Johannes Bausch, Matej Balog, Mohammadamin Barekatain, Francisco J. H. Heras, Alexander Novikov, Nathan Fitzpatrick, Bernardino Romera-Paredes, John van de Wetering, Alhussein Fawzi, Konstantinos Meichanetzidis, Pushmeet Kohli
Quantinuum
Preprint: 2402.14396
Cosmological Dynamics from Covariant Loop Quantum Gravity with Scalar Matter
Tunneling of quantum geometries in spinfoams
Pietro Dona, Hal M. Haggard, Carlo Rovelli, Francesca Vidotto
, UWO London,
Preprint: 2402.09038
Journal: Phys. Rev. D 109, 106016 (2024)
Photonic cellular automaton simulation of relativistic quantum fields: observation of Zitterbewegung
Alessia Suprano, Danilo Zia, Emanuele Polino, Davide Poderini, Gonzalo Carvacho, Fabio Sciarrino, Matteo Lugli, Alessandro Bisio, Paolo Perinotti
QILab Rome
Preprint: 2402.07672
Identification is Pointless: Quantum Reference Frames, Localisation of Events, and the Quantum Hole Argument
Viktoria Kabel, Anne-Catherine de la Hamette, Luca Apadula, Carlo Cepollaro, Henrique Gomes, Jeremy Butterfield, Časlav Brukner
IQOQI Vienna
Preprint: 2402.10267
Quantum effects in gravity beyond the Newton potential from a delocalised quantum source
Renormalization of conformal infinity as a stretched horizon
Horizons and Null Infinity: A Fugue in 4 voices
Abhay Ashtekar, Simone Speziale
CPT Marseille
Preprint: 2401.15618
Journal: Phys. Rev. D109, L061501 (2024)
Minimum Detection Efficiencies for Loophole-free Genuine Nonlocality Tests
Subhendu B. Ghosh, Snehasish Roy Chowdhury, Ranendu Adhikary, Arup Roy, Tamal Guha
QICI Hong Kong
Preprint: 2401.16134
Journal: Phys. Rev. A 109, 052202 (2024)
Carrollian $Lw_{1+infty}$ representation from twistor space
Shadow simulation of quantum processes
Lessons from discrete light-cone quantization for physics at null infinity: Bosons in two dimensions
Glenn Barnich, Sucheta Majumdar, Simone Speziale, Wen-Di Tan
CPT Marseille
Preprint: 2401.14873
Journal: JHEP 05 (2024) 326
Optimal compilation of parametrised quantum circuits
John van de Wetering, Richie Yeung, Tuomas Laakkonen, Aleks Kissinger
Oxford Computer Science
Preprint: 2401.12877
Remote sensing of a levitated superconductor with a flux-tunable microwave cavity
Philip Schmidt, Remi Claessen, Gerard Higgings, Joachim Hofer, Jannek J. Hansen, Peter Asenbaum, Kevin Uhl, Reinhold Kleiner, Rudolf Gross, Hans Huebl, Michael Trupke, Markus Aspelmeyer
IQOQI Vienna
Preprint: 2401.08854
Measurement events relative to temporal quantum reference frames
Quantum-enhanced screened dark energy detection
Daniel Hartley, Christian Käding, Richard Howl, Ivette Fuentes
Royal Holloway
Preprint: 1909.02272
Journal: EPJC-23-03-136
On the tensorial structure of general covariant quantum systems
Nonsingular collapse of a spherical dust cloud
Asier Alonso-Bardaji, David Brizuela
CPT Marseille
Preprint: 2312.15505
Journal: Phys.Rev.D 109 (2024) 6, 064023
String diagrams for wave-based computation
Muhammad Hamza Waseem, Alexy D. Karenowska
Quantinuum
Preprint: –
Journal: Appl. Phys. Lett. 123, 242402 (2023)
Locality in the Schroedinger Picture of Quantum Mechanics
Primordial fluctuations from quantum gravity: 16-cell topological model
Quantum Picturalism: Learning Quantum Theory in High School
Selma Dündar-Coecke, Lia Yeh, Caterina Puca, Sieglinde M. -L. Pfaendler, Muhammad Hamza Waseem, Thomas Cervoni, Aleks Kissinger, Stefano Gogioso, Bob Coecke
Preprint: 2312.03653
Journal: 2023 IEEE International Conference on Quantum Computing and Engineering (QCE), 2023, pp. 21-32
Bridging the neuroscience and physics of time
Dean Buonomano, Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute
Preprint: 2110.01976
Journal: Time and Science, Volume 2: Life Sciences, R. Lestienne and P. Harris eds., World Scientific 2023
A Pipeline For Discourse Circuits From CCG
Jonathon Liu, Razin A. Shaikh, Benjamin Rodatz, Richie Yeung, Bob Coecke
Quantinuum
Preprint: 2311.17892
Understanding the interplay of entanglement and nonlocality: motivating and developing a new branch of entanglement theory
D. Schmid, T.C. Fraser, R. Kunjwal, A. B. Sainz, E. Wolfe, and R. W. Spekkens
Université Libre Bruxelles
Preprint: 2004.09194
Journal: Quantum 7, 1194 (2023)
Hollow-core fiber loading of nanoparticles into ultra-high vacuum
Stefan Lindner, Paul Juschitz, Jakob Rieser, Yaakov Y. Fein, Mario Ciampini, Markus Aspelmeyer, Nikolai Kiesel
IQOQI Vienna
Preprint: 2311.13920
Note on episodes in the history of modeling measurements in local spacetime regions using QFT
Proceedings 19th International Conference on Quantum Physics and Logic
Random pure Gaussian states and Hawking radiation
Erik Aurell, Lucas Hackl, Paweł Horodecki, Robert H. Jonsson, Mario Kieburg
University of Melbourne
Preprint: 2311.10562
Identification of Causal Influences in Quantum Processes
Isaac Friend, Aleks Kissinger
Oxford Computer Science
Preprint: 2311.08882
Journal: EPTCS 394, 2023, pp. 101-115
Conservation Laws Reveal the Quantumness of Gravity
Scientific Models Are Not Fictions
On playing gods: The fallacy of the many-worlds interpretation
Experimental certification of contextuality, coherence and dimension in a programmable universal photonic processor
Taira Giordani, Rafael Wagner, Chiara Esposito, Anita Camillini, Francesco Hoch, Gonzalo Carvacho, Ciro Pentangelo, Francesco Ceccarelli, Simone Piacentini, Andrea Crespi, Nicolò Spagnolo, Roberto Osellame, Ernesto F. Galvão, Fabio Sciarrino
QILab Rome
Preprint: 2311.03266
Journal: Science Advances 9, 44, eadj4249 (2023)
Dimension-independent weak value estimation via controlled SWAP operations
Typical entanglement entropy in systems with particle-number conservation
Yale Cheng, Rohit Patil, Yicheng Zhang, Marcos Rigol, Lucas Hackl
University of Melbourne
Preprint: 2310.19862
Spinfoams: Foundations
Jonathan Engle, Simone Speziale
CPT Marseille
Preprint: 2310.20147
Journal: In: Bambi, C., Modesto, L., Shapiro, I. (eds) Handbook of Quantum Gravity. Springer, Singapore (2023)
Black Hole Entropy and Planckian Discreteness
Quantum teleportation of a genuine vacuum-one-photon qubit generated via a quantum dot source
Beatrice Polacchi, Francesco Hoch, Giovanni Rodari, Stefano Savo, Gonzalo Carvacho, Nicolò Spagnolo, Taira Giordani, Fabio Sciarrino
QILab Rome
Preprint: 2310.20521
Flexible Error Mitigation of Quantum Processes with Data Augmentation Empowered Neural Model
Quantum Nonlocality: Multi-copy Resource Inter-convertibility & Their Asymptotic Inequivalence
Subhendu B. Ghosh, Snehasish Roy Chowdhury, Guruprasad Kar, Arup Roy, Tamal Guha, Manik Banik
QICI Hong Kong
Preprint: 2310.16386
Virtual quantum broadcasting
Arthur J. Parzygnat, James Fullwood, Francesco Buscemi, Giulio Chiribella
QICI Hong Kong
Preprint: 2310.13049
Journal: Phys. Rev. Lett. 132, 110203 (2024)
Learning and Discovering Quantum Properties with Multi-Task Neural Networks
Spacetime geometry from canonical spherical gravity
Asier Alonso-Bardaji, David Brizuela
CPT Marseille
Preprint: 2310.12951
Journal: Phys.Rev.D 109 (2024) 4, 044065
Interaction of evanescent particles with an Unruh-DeWitt detector
Daniele Colosi, Robert Oeckl, Adamantia Zampeli
UNAM
Preprint: 2310.06716
Journal: Phys. Rev. D 109 (2024) 025009, 27 pages
Algebras and Hilbert spaces from gravitational path integrals: Understanding Ryu-Takayanagi/HRT as entropy without invoking holography
Observable Thermalization: Theory, Numerical and Analytical Evidence
Comparing coherent and incoherent models for quantum homogenization
Anna Beever, Maria Violaris, Chiara Marletto, Vlatko Vedral
Oxford Physics Department
Preprint: 2309.15741
Gravity Mediated Entanglement between Oscillators as Quantum Superposition of Geometries
Ofek Bengyat, Andrea Di Biagio, Markus Aspelmeyer, Marios Christodoulou
IQOQI Vienna
Preprint: 2309.16312
Quantum networks boosted by entanglement with a control system
Tamal Guha, Saptarshi Roy, Giulio Chiribella
QICI Hong Kong
Preprint: 2206.05247
Journal: Phys. Rev. Research 5, 033214
Taxonomy for Physics Beyond Quantum Mechanics
Macroscopic quantum entanglement between an optomechanical cavity and a continuous field in presence of non-Markovian noise
Su Direkci, Klemens Winkler, Corentin Gut, Klemens Hammerer, Markus Aspelmeyer, Yanbei Chen
IQOQI Vienna
Preprint: 2309.12532
Journal: Phys. Rev. Research 6, 013175
Device-independent certification of indefinite causal order in the quantum switch
Tein van der Lugt, Jonathan Barrett, Giulio Chiribella
QICI Hong Kong
Preprint: 2208.00719
Journal: Nature Communications 14, 5811 (2023)
The thermodynamic cost of choosing
Quantum Detection of Gravitationally Interacting Dark Matter
Alejandro Perez, Carlo Rovelli, Marios Christodoulou
CPT Marseille, UWO London, Perimeter Institute, IQOQI Vienna
Preprint: 2309.08238
Completeness of qufinite ZXW calculus, a graphical language for mixed-dimensional quantum computing
Trading causal order for locality
Ravi Kunjwal, Amin Baumeler
Université Libre Bruxelles
Preprint: 2202.00440
Journal: Phys. Rev. Lett. 131, 120201 (2023)
O perigo da confirmação não-empírica
What Does ‘(Non)-Absoluteness of Observed Events’ Mean?
General gravitational charges on null hypersurfaces
Gloria Odak, Antoine Rignon-Bret, Simone Speziale
CPT Marseille
Preprint: 2309.03854
Journal: J. High Energ. Phys. 2023, 38 (2023)
Null Raychaudhuri: Canonical Structure and the Dressing Time
A trace inequality for Euclidean gravitational path integrals (and a new positive action conjecture)
Global Synthesis of CNOT Circuits with Holes
Ewan Murphy, Aleks Kissinger
Oxford Computer Science
Preprint: 2308.16496
Journal: EPTCS 384, 2023, pp. 75-88
Quantum reference frames for an indefinite metric
Anne-Catherine de la Hamette, Viktoria Kabel, Esteban Castro-Ruiz, Časlav Brukner
IQOQI Vienna
Preprint: 2112.11473
Journal: Commun Phys 6, 231 (2023)
Matter relative to quantum hypersurfaces
Predictive Modelling of Quantum Process with Neural Networks
Yan Zhu, Ya-Dong Wu, Qiushi Liu, Yuexuan Wang, Giulio Chiribella
QICI Hong Kong
Preprint: 2308.08815
Sequence Processing with Quantum Tensor Networks
A clarification on prevailing misconceptions in unimodular gravity
Gabriel R. Bengochea, Gabriel Leon, Alejandro Perez, Daniel Sudarsky
CPT Marseille
Preprint: 2308.07360
Journal: JCAP11(2023)011
Hawking radiation for detectors in superposition of locations outside a black hole
Switching quantum reference frames in the N-body problem and the absence of global relational perspectives
Augustin Vanrietvelde, Philipp A. Hoehn, Flaminia Giacomini
Preprint: 1809.05093
Journal: Quantum 7, 1088 (2023)
Commuting operations factorise
Quantum mechanics with real numbers: entanglement, superselection rules and gauges
Experimental property-reconstruction in a photonic quantum extreme learning machine
Alessia Suprano, Danilo Zia, Luca Innocenti, Salvatore Lorenzo, Valeria Cimini, Taira Giordani, Ivan Palmisano, Emanuele Polino, Nicolò Spagnolo, Fabio Sciarrino, G. Massimo Palma, Alessandro Ferraro, Mauro Paternostro
QILab Rome
Preprint: 2308.04543
A relativistic discrete spacetime formulation of 3+1 QED
Nathanaël Eon, Giuseppe Di Molfetta, Giuseppe Magnifico, Pablo Arrighi
Paris-Saclay
Preprint: 2205.03148
Journal: Quantum 7, 1179 (2023)
Generation and characterization of polarization-entangled states using quantum dot single-photon sources
Mauro Valeri, Paolo Barigelli, Beatrice Polacchi, Giovanni Rodari, Gianluca De Santis, Taira Giordani, Gonzalo Carvacho, Nicolò Spagnolo, Fabio Sciarrino
QILab Rome
Preprint: 2308.02422
Observing ghost entanglement beyond scattering amplitudes in quantum electrodynamics
Painlevé-Gullstrand coordinates discontinuity in the quantum Oppenheimer-Snyder model
Francesco Fazzini, Carlo Rovelli, Farshid Soltani
CPT Marseille, UWO London, Perimeter Institute
Preprint: 2307.07797
Journal: Phys. Rev. D 108, 044009 (2023)
Light-cone thermodynamics: purification of the Minkowski vacuum
The debate over QKD: A rebuttal to the NSA’s objections
Obstructions to Compositionality
Caterina Puca, Amar Hadzihasanovic, Fabrizio Genovese, Bob Coecke
Quantinuum
Preprint: 2307.14461
Journal: EPTCS 397, 2023, pp. 226-245
The Generative Programs Framework
Discreteness Unravels the Black Hole Information Puzzle: Insights from a Quantum Gravity Toy Model
Alejandro Perez, Sami Viollet
CPT Marseille
Preprint: 2307.10254
Journal: Entropy 2023, 25(11), 1479
Local Inaccessibility of Random Classical Information : Conditional Nonlocality demands Entanglement
Subhendu B. Ghosh, Snehasish Roy Chowdhury, Tathagata Gupta, Anandamay Das Bhowmik, Sutapa Saha, Some Sankar Bhattacharya, Tamal Guha
QICI Hong Kong
Preprint: 2307.08457
Global Kruskal-Szekeres coordinates for Reissner-Nordström spacetime
A no-go theorem for absolute observed events without inequalities or modal logic
Which theories have a measurement problem?
Quantum-Enhanced Learning of Continuous-Variable Quantum States
Causal structure in the presence of sectorial constraints, with application to the quantum switch
Nick Ormrod, Augustin Vanrietvelde, Jonathan Barrett
Paris-Saclay, Oxford Computer Science
Preprint: 2204.10273
Journal: Quantum 7, 1028 (2023)
Quantum Causal Inference with Extremely Light Touch
Xiangjing Liu, Yixian Qiu, Oscar Dahlsten, Vlatko Vedral
Oxford Physics Department
Preprint: 2303.10544
Graphical CSS Code Transformation Using ZX Calculus
Jiaxin Huang, Sarah Meng Li, Lia Yeh, Aleks Kissinger, Michele Mosca, Michael Vasmer
Oxford Computer Science
Preprint: 2307.02437
Journal: EPTCS 384, 2023, pp. 1-19
Nonclassicality in correlations without causal order
Quantum autoencoders for communication-efficient quantum cloud computing
Yan Zhu, Ge Bai, Yuexuan Wang, Tongyang Li, Giulio Chiribella
QICI Hong Kong
Preprint: 2112.12369
Journal: Quantum Mach. Intell. 5, 27 (2023)
Matrix Mechanics Mis-Prized: Max Born’s Belated Nobelization
Relational interpretation of quantum mechanics and Alexander Bogdanov’s worldview
Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute
Preprint: –
Journal: Systems Research and Behavioral Science 40 (2023) 312
Temporal witnesses of non-classicality in a macroscopic biological system
Giuseppe Di Pietra, Vlatko Vedral, Chiara Marletto
Oxford Physics Department
Preprint: 2306.12799
Journal: J. Phys. A: Math. Theor. 56 265305
A toy model provably featuring an arrow of time without past hypothesis
Light-Matter Interaction in the ZXW Calculus
Giovanni de Felice, Razin A. Shaikh, Boldizsár Poór, Lia Yeh, Quanlong Wang, Bob Coecke
Quantinuum
Preprint: 2306.02114
Journal: EPTCS 384, 2023, pp. 20-46
Fresh perspectives on the foundations of quantum physics
Eric G. Cavalcanti, Rafael Chaves, Flaminia Giacomini & Yeong-Cherng Liang
ETH Zürich
Preprint: –
Journal: Nature Reviews Physics 5, 323–325 (2023).
Disappearing Without a Trace: The Arrows of Time in Kent’s Solution to the Lorentzian Quantum Reality Problem
Emily Adlam
UWO London
Preprint: 2305.13201
Journal: The British Journal for the Philosophy of Science
Linear Ultrastrong Optomechanical Interaction
Kahan Dare, Jannek J. Hansen, Iurie Coroli, Aisling Johnson, Markus Aspelmeyer, Uroš Delić
IQOQI Vienna
Preprint: 2305.16226
Observers in superposition and the no-signaling principle
Paradox with Phase-Coupled Interferometers
Relational superposition measurements with a material quantum ruler
Hui Wang, Flaminia Giacomini, Franco Nori, Miles P. Blencowe
ETH Zürich
Preprint: 2306.00347
Journal: Quantum 8, 1335 (2024).
Average Pure-State Entanglement Entropy in Spin 1/2 Systems with SU(2) Symmetry
Rohit Patil, Lucas Hackl, Marcos Rigol
University of Melbourne
Preprint: 2305.11211
Journal: Phys. Rev. B 108, 245101 (2023)
Relativistic locality can imply subsystem locality
Andrea Di Biagio, Richard Howl, Časlav Brukner, Carlo Rovelli, Marios Christodoulou
Royal Holloway, IQOQI Vienna, CPT Marseille, UWO London, Perimeter Institute
Preprint: 2305.05645
Incompleteness Theorems for Observables in General Relativity
Aristotelis Panagiotopoulos, George Sparling, Marios Christodoulou
IQOQI Vienna
Preprint: 2305.04818
Journal: Physical Review Letters, Vol. 131, No. 17, p. 171402 (23 October, 2023)
On the consistency of relative facts
Eric G. Cavalcanti, Andrea Di Biagio, Carlo Rovelli
IQOQI Vienna, CPT Marseille, UWO London, Perimeter Institute, Royal Holloway
Preprint: 2305.07343
Journal: Euro Jnl Phil Sci 13, 55 (2023).
Probing spectral features of quantum many-body systems with quantum simulators
Jinzhao Sun, Lucia Vilchez-Estevez, Vlatko Vedral, Andrew T. Boothroyd, M. S. Kim
Oxford Physics Department
Preprint: 2305.07649
Dark Energy or Modified Gravity?
The principle of a finite density of information
A resource theory of activity for quantum thermodynamics in the absence of heat baths
Picturing counting reductions with the ZH-calculus
Tuomas Laakkonen, Konstantinos Meichanetzidis, John van de Wetering
Quantinuum
Preprint: 2304.02524
Journal: EPTCS 384, 2023, pp. 89-113
Probes, purviews, purgatories, parable, paradox?
Gravitationally-induced entanglement in cold atoms
Experimental super-Heisenberg quantum metrology with indefinite gate order
Peng Yin, Xiaobin Zhao, Yuxiang Yang, Yu Guo, Wen-Hao Zhang, Gong-Chu Li, Yong-Jian Han, Bi-Heng Liu, Jin-Shi Xu, Giulio Chiribella, Geng Chen, Chuan-Feng Li, Guang-Can Guo
QICI Hong Kong
Preprint: 2303.17223
Journal: Nat. Phys. (2023)
On the Inevitable Lightness of Vacuum
Laurent Freidel, Jerzy Kowalski-Glikman, Robert G. Leigh, Djordje Minic
Perimeter Institute
Preprint: 2303.17495
The Temporal Asymmetry of Influence is Not Statistical
On the analogies between gravitational and electromagnetic radiative energy
The Topology of Causality
The Geometry of Causality
Classification of causally complete spaces on 3 events with binary inputs
Are Entropy Bounds Epistemic?
Complete Graphical Language for Hermiticity-Preserving Superoperators
Titouan Carette, Timothée Hoffreumon, Émile Larroque, Renaud Vilmart
Université Libre Bruxelles
Preprint: 2302.04212
Graph subshifts
The Everything-is-a-Quantum-Wave Interpretation of Quantum Physics
What Is In a Survey? Simulation-Induced Selection Effects in Astronomy
On the geometry of the black-to-white hole transition within a single asymptotic region
Muxin Han, Carlo Rovelli, Farshid Soltani
CPT Marseille, UWO London, Perimeter Institute
Preprint: 2302.03872
Journal: Phys. Rev. D 107, 064011
Completeness for arbitrary finite dimensions of ZXW-calculus, a unifying calculus
Boldizsár Poór, Quanlong Wang, Razin A. Shaikh, Lia Yeh, Richie Yeung, Bob Coecke
Quantinuum
Preprint: 2302.12135
Journal: 38th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS)
Distilling Text into Circuits
Basic ZX-calculus for students and professionals
Hybrid nonlocality via atom photon interactions with and without impurities
Indeterminism and Bell nonlocality with classical systems
Lorenzo Giannelli, Carlo Maria Scandolo, Giulio Chiribella
QICI Hong Kong
Preprint: 2301.10885
Journal: Phys. Rev. Lett. 132, 190201 (2024
Unextendible product bases from orthogonality graphs
Fei Shi, Ge Bai, Xiande Zhang, Qi Zhao, Giulio Chiribella
QICI Hong Kong
Preprint: 2303.02553
Journal: Phys. Rev. Research 5, 033144
Geometry Transition in Spinfoams
Quantum Reference Frames at the Boundary of Spacetime
Viktoria Kabel, Časlav Brukner, Wolfgang Wieland
IQOQI Vienna
Preprint: 2302.11629
Journal: Phys. Rev. D 108, 106022
Loop Quantum Gravity and Quantum Information
Eugenio Bianchi, Etera R. Livine
IGC at Penn State
Preprint: 2302.05922
Journal: In Bambi, C., Modesto, L., Shapiro, I. (eds) Handbook of Quantum Gravity. Springer, Singapore (2023)
Entanglement, causality and quantum networks
Emanuele Polino and Fabio Sciarrino
QILab Rome
Preprint: –
Journal: Europhysics News, 54 1 (2023) 28-31
Emergence of Riemannian Quantum Geometry
Quantum mechanics and Alexander Bogdanov’s worldview: A conversation
Summing bulk quantum numbers with Monte Carlo in spin foam theories
Any consistent coupling between classical gravity and quantum matter is fundamentally irreversible
Thomas D. Galley, Flaminia Giacomini, John H. Selby
ETH Zürich
Preprint: 2301.10261
Journal: Quantum 7, 1142 (2023)
Modelling quantum particles falling into a black hole: the deep interior limit
Alejandro Perez, Salvatore Ribisi, Sami Viollet
CPT Marseille
Preprint: 2301.03951
Journal: Universe 2023, 9(2), 75
Do We Have Any Viable Solution to the Measurement Problem?
Emily Adlam
UWO London
Preprint: 2301.06192
Journal: Foundations of Physics, Volume 53, Issue 2, article id.44
Spinfoams and high performance computing
Pietro Dona, Muxin Han, Hongguang Liu
UWO London
Preprint: 2212.14396
Journal: In Bambi, C., Modesto, L., Shapiro, I. (eds) Handbook of Quantum Gravity. Springer, Singapore (2023)
Contemporary Philosophical Perspectives on the Cosmological Constant
Adam Koberinski, Bridget Falck, Chris Smeenk
UWO London
Preprint: 2212.04335
Journal: Universe 2023, 9(3), 134
How to sum and exponentiate Hamiltonians in ZXW calculus
Razin A. Shaikh, Quanlong Wang, Richie Yeung
Quantinuum
Preprint: 2212.04462
Journal: EPTCS 394, 2023, pp. 236-261
Quantum diffeomorphisms cannot make indefinite causal order definite
Anne-Catherine de la Hamette, Viktoria Kabel, Marios Christodoulou, Časlav Brukner
IQOQI Vienna
Preprint: 2211.15685
Philosophical Foundations of Loop Quantum Gravity
Carlo Rovelli, Francesca Vidotto
CPT Marseille, UWO London, Perimeter Institute
Preprint: 2211.06718
Cosmological constraints on unimodular gravity models with diffusion
Susana J. Landau, Micol Benetti, Alejandro Perez, Daniel Sudarsky
CPT Marseille
Preprint: 2211.07424
Journal: Phys. Rev. D 108, 043524
Geometry from local flatness in Lorentzian spin foam theories
Constructive Axiomatics in Spacetime Physics Part II: Constructive Axiomatics in Context
Experimental superposition of time directions
Teodor Strömberg, Peter Schiansky, Marco Túlio Quintino, Michael Antesberger, Lee Rozema, Iris Agresti, Časlav Brukner, Philip Walther
IQOQI Vienna
Preprint: 2211.01283
On the Role of Fiducial Structures in Minisuperspace Reduction and Quantum Fluctuations in LQC
How causation is rooted into thermodynamics
Quantum Euler angles and agency-dependent spacetime
Giovanni Amelino-Camelia, Vittorio D’Esposito, Giuseppe Fabiano, Domenico Frattulillo, Philipp A. Hoehn, Flavio Mercati
OIST
Preprint: 2211.11347
Witnessing the non-objectivity of an unknown quantum dynamics
Davide Poderini, Giovanni Rodari, George Moreno, Emanuele Polino, Ranieri Nery, Alessia Suprano, Cristhiano Duarte, Fabio Sciarrino, Rafael Chaves
QILab Rome
Preprint: 2211.15638
Unpredictability is perfectly possible in a deterministic universe
Experimental demonstration of input-output indefiniteness in a single quantum device
Yu Guo, Zixuan Liu, Hao Tang, Xiao-Min Hu, Bi-Heng Liu, Yun-Feng Huang, Chuan-Feng Li, Guang-Can Guo, Giulio Chiribella
QICI Hong Kong
Preprint: 2210.17046
Journal: Phys. Rev. Lett. 132, 160201 (2024)
Witnessing superpositions of causal orders by weak measurements at a given time
Addressable quantum gates
Pablo Arrighi, Christopher Cedzich, Marin Costes, Ulysse Rémond, Benoît Valiron
Paris-Saclay
Preprint: 2109.08050
Journal: ACM Transactions on Quantum Computing
Wigner’s friend and relational objectivity
Caslav Brukner
IQOQI Vienna
Preprint: –
Journal: Nature Reviews Physics, Volume 4, Issue 10, p.628-630
Inference of gravitational field superposition from quantum measurements
Chris Overstreet, Joseph Curti, Minjeong Kim, Peter Asenbaum, Mark A. Kasevich, Flaminia Giacomini
ETH Zürich
Preprint: 2209.02214
Journal: Phys. Rev. D 108, 084038 (2023)
Measuring incompatibility and clustering quantum observables with a quantum switch
Ning Gao, Dantong Li, Anchit Mishra, Junchen Yan, Kyrylo Simonov, Giulio Chiribella
QICI Hong Kong
Preprint: 2208.06210
Journal: Phys. Rev. Lett. 130, 170201 (2023)
Quantum States of Fields for Quantum Split Sources
Lin-Qing Chen, Flaminia Giacomini, Carlo Rovelli
ETH Zürich, CPT Marseille, UWO London, Perimeter Institute, Université Libre Bruxelles
Preprint: 2207.10592
Journal: Quantum 7, 958 (2023)
Markov Chain Monte Carlo methods for graph refinement in Spinfoam Cosmology
Pietropaolo Frisoni, Francesco Gozzini, Francesca Vidotto
UWO London
Preprint: 2207.02881
Journal: Class. Quantum Grav. 40 105001
Diffuse emission from black hole remnants
Sina Kazemian, Mateo Pascual, Carlo Rovelli, Francesca Vidotto
CPT Marseille, UWO London, Perimeter Institute, UWO London
Preprint: 2207.06978
Journal: Class. Quantum Grav. 40 087001
Existence of processes violating causal inequalities on time-delocalised subsystems
Julian Wechs, Cyril Branciard, Ognyan Oreshkov
Université Libre Bruxelles
Preprint: 2201.11832
Journal: Nature Communications 14, 1471 (2023)
Gravitational time dilation as a resource in quantum sensing
Carlo Cepollaro, Flaminia Giacomini, Matteo G. A. Paris
IQOQI Vienna, Perimeter Institute
Preprint: 2204.03006
Journal: Quantum 7, 946 (2023)
Does Science need Intersubjectivity? The Problem of Confirmation in Orthodox Interpretations of Quantum Mechanics
Emily Adlam
UWO London
Preprint: 2203.16278
Journal: Synthese volume 200, Article number: 522 (2022)
Locally mediated entanglement through gravity from first principles
Marios Christodoulou, Andrea Di Biagio, Markus Aspelmeyer, Časlav Brukner, Carlo Rovelli, Richard Howl
IQOQI Vienna, CPT Marseille, UWO London, Perimeter Institute, Royal Holloway
Preprint: 2202.03368
Journal: Phys. Rev. Lett. 130, 100202
Quantum communication through devices in an indefinite input-output direction
Zixuan Liu, Ming Yang, Giulio Chiribella
QICI Hong Kong
Preprint: 2212.08265
Journal: New J.Phys. 25 (2023) 043017
Generic features of a polymer quantum black hole
Johannes Münch, Alejandro Perez, Simone Speziale, Sami Viollet
CPT Marseille
Preprint: 2212.06708
Journal: Class. Quantum Grav. 40 135003
Wald-Zoupas prescription with (soft) anomalies
Gloria Odak, Antoine Rignon-Bret, Simone Speziale
CPT Marseille
Preprint: 2212.07947
Journal: Phys. Rev. D 107, 084028
Experimental nonclassicality in a causal network without assuming freedom of choice
Emanuele Polino, Davide Poderini, Giovanni Rodari, Iris Agresti, Alessia Suprano, Gonzalo Carvacho, Elie Wolfe, Askery Canabarro, George Moreno, Giorgio Milani, Robert W. Spekkens, Rafael Chaves, Fabio Sciarrino
QILab Rome
Preprint: 2210.07263
Journal: Nat Commun 14, 909 (2023)
Time, space and matter in the primordial universe
Metriplectic geometry for gravitational subsystems
Viktoria Kabel, Wolfgang Wieland
IQOQI Vienna
Preprint: 2206.00029
Journal: Phys. Rev. D 106, 064053
Radiative corrections to the Lorentzian EPRL spin foam propagator
Pietro Donà, Pietropaolo Frisoni, Edward Wilson-Ewing
UWO London
Preprint: 2206.14755
Journal: Phys.Rev.D 106 (2022) 6, 066022
Tabletop Experiments for Quantum Gravity Are Also Tests of the Interpretation of Quantum Mechanics
Emily Adlam
UWO London
Preprint: 2204.08064
Journal: Foundations of Physics, Volume 52, Issue 5, article id.115
The nonequilibrium cost of accurate information processing
Giulio Chiribella, Fei Meng, Renato Renner, Man-Hong Yung
QICI Hong Kong
Preprint: 2203.09369
Journal: Nat Commun 13, 7155 (2022)
Watching the Clocks: Interpreting the Page-Wootters Formalism and the Internal Quantum Reference Frame Programme
Emily Adlam
UWO London
Preprint: 2203.06755
Journal: Foundations of Physics, Volume 52, Issue 5, article id.99
Two Roads to Retrocausality
Entanglement-asymmetry correspondence for internal quantum reference frames
Anne-Catherine de la Hamette, Stefan L. Ludescher, Markus P. Mueller
IQOQI Vienna
Preprint: 2112.00046
Journal: Phys. Rev. Lett. 129, 260404 (2022)
Controlling wave-particle duality with quantum entanglement
Kai Wang, Daniel R. Terno, Caslav Brukner, Shining Zhu, Xiao-Song Ma
IQOQI Vienna
Preprint: 2112.11659
Journal: Phys. Rev. A 106, 053715
Determinism Beyond Time Evolution
Contextuality in entanglement-assisted one-shot classical communication
Shiv Akshar Yadavalli, Ravi Kunjwal
Université Libre Bruxelles
Preprint: 2006.00469
Journal: Quantum 6, 839 (2022)
Discretizing parametrized systems: the magic of Ditt-invariance
Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute
Preprint: 1107.2310
Journal: Phys. Rev. D 106, 104062