QISS Papers

You can find the publications of the first phase of the QISS grant here.

Taxonomy for Physics Beyond Quantum Mechanics

Emily Adlam, Jonte R. Hance, Sabine Hossenfelder, Tim N. Palmer
UWO London

Preprint: 2309.12293

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

The thermodynamic cost of choosing

Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute

Preprint: 2309.08557

Quantum Detection of Gravitationally Interacting Dark Matter

Alejandro Perez, Carlo Rovelli, Marios Christodoulou
, UWO London,

Preprint: 2309.08238

O perigo da confirmação não-empírica

Carlo Rovelli
UWO London

Preprint:
Journal: Perspectivas 8 (2023) 282-295

Probing Hilbert space fragmentation and the block Inverse Participation Ratio

Philipp Frey, David Mikhail, Stephan Rachel, Lucas Hackl
University of Melbourne

Preprint: 2309.03632

What Does ‘(Non)-Absoluteness of Observed Events’ Mean?

Emily Adlam
UWO London

Preprint: 2309.03171

General gravitational charges on null hypersurfaces

Gloria Odak, Antoine Rignon-Bret, Simone Speziale
CPT Marseille

Preprint: 2309.03854

Null Raychaudhuri: Canonical Structure and the Dressing Time

Luca Ciambelli, Laurent Freidel, Robert G. Leigh
Perimeter Institute

Preprint: 2309.03932

A trace inequality for Euclidean gravitational path integrals (and a new positive action conjecture)

Eugenia Colafranceschi, Donald Marolf, Zhencheng Wang
UCSB

Preprint: 2309.02497

Global Synthesis of CNOT Circuits with Holes

Ewan Murphy, Aleks Kissinger
Oxford Computer Science

Preprint: 2308.16496
Journal: EPTCS 384, 2023, pp. 75-88

Matter relative to quantum hypersurfaces

Philipp A. Hoehn, Andrea Russo, Alexander R. H. Smith
OIST

Preprint: 2308.12912

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

Carys Harvey, Richie Yeung, Konstantinos Meichanetzidis
Quantinuum

Preprint: 2308.07865

A clarification on prevailing misconceptions in unimodular gravity

Gabriel R. Bengochea, Gabriel Leon, Alejandro Perez, Daniel Sudarsky
CPT Marseille

Preprint: 2308.07360

Commuting operations factorise

Renato Renner, Ramona Wolf
ETH Zürich

Preprint: 2308.05792

Quantum mechanics with real numbers: entanglement, superselection rules and gauges

Vlatko Vedral
Oxford Physics Department

Preprint: 2308.05473

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

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

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

Alejandro Perez, Salvatore Ribisi
CPT Marseille

Preprint: 2307.12031

The debate over QKD: A rebuttal to the NSA’s objections

Renato Renner, Ramona Wolf
ETH Zürich

Preprint: 2307.15116

Obstructions to Compositionality

Caterina Puca, Amar Hadzihasanovic, Fabrizio Genovese, Bob Coecke
Quantinuum

Preprint: 2307.14461

The Generative Programs Framework

Mordecai Waegell, Kelvin J. McQueen, Emily C. Adlam
UWO London

Preprint: 2307.11282

Discreteness Unravels the Black Hole Information Puzzle: Insights from a Quantum Gravity Toy Model

Alejandro Perez, Sami Viollet
CPT Marseille

Preprint: 2307.10254

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

A no-go theorem for absolute observed events without inequalities or modal logic

Nick Ormrod, Jonathan Barrett
Oxford Computer Science

Preprint: 2209.03940

Which theories have a measurement problem?

Nick Ormrod, V. Vilasini, Jonathan Barrett
Oxford Computer Science

Preprint: 2303.03353

Quantum-Enhanced Learning of Continuous-Variable Quantum States

Ya-Dong Wu, Giulio Chiribella, Nana Liu
QICI Hong Kong

Preprint: 2303.05097

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

Ravi Kunjwal, Ognyan Oreshkov
Université Libre Bruxelles

Preprint: 2307.02565

Matrix Mechanics Mis-Prized: Max Born’s Belated Nobelization

John L. Heilbron, Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute

Preprint: 2306.00842

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

Fresh perspectives on the foundations of quantum physics

Eric G. Cavalcanti, Rafael Chaves, Flaminia Giacomini, Yeong-Cherng Liang
ETH Zürich

Preprint:
Journal: Nat Rev Phys 5, 323–325 (2023)

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

Pablo Arrighi, Gilles Dowek, Amélia Durbec
Paris-Saclay

Preprint: 2306.07121

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

Veronika Baumann, Caslav Brukner
IQOQI Vienna

Preprint: 2305.15497

Paradox with Phase-Coupled Interferometers

Saba Etezad-Razavi, Lucien Hardy
Perimeter Institute

Preprint: 2305.14241

Relational superposition measurements with a material quantum ruler

Hui Wang, Flaminia Giacomini, Franco Nori, Miles P. Blencowe
ETH Zürich

Preprint: 2306.00347

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

Royal Holloway, Institute for Quantum Optics and Quantum Information – Vienna & The Centre de Physique Théorique – UMR 7332 – CNRS and Aix-Marseille Université and Université de Toulon & The University of Western Ontario and Rotman Institute for Philosophy & Perimeter Institute for Theoretical Physics &Institute for Quantum Optics and Quantum Information, Vienna

Andrea Di Biagio, Richard Howl, Časlav Brukner, Carlo Rovelli, Marios Christodoulou
, UWO London,

Preprint: 2305.05645

Incompleteness Theorems for Observables in General Relativity

Aristotelis Panagiotopoulos, George Sparling, Marios Christodoulou

Preprint: 2305.04818

On the consistency of relative facts

Eric G. Cavalcanti, Andrea Di Biagio, Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute

Preprint: 2305.07343

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?

Chris Smeenk, James Owen Weatherall
UWO London

Preprint: 2304.14591

The principle of a finite density of information

Pablo Arrighi, Gilles Dowek
Paris-Saclay

Preprint: 2304.08064

A resource theory of activity for quantum thermodynamics in the absence of heat baths

Swati, Uttam Singh, Giulio Chiribella
QICI Hong Kong

Preprint: 2304.08926

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?

Josh Kirklin
OIST

Preprint: 2304.00679

Gravitationally-induced entanglement in cold atoms

Richard Howl, Nathan Cooper, Lucia Hackermüller
Royal Holloway

Preprint: 2304.00734

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

Emily Adlam
UWO London

Preprint:
Journal: Philosophy of Science

On the analogies between gravitational and electromagnetic radiative energy

Henrique Gomes, Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute

Preprint: 2303.14064

The Topology of Causality

Stefano Gogioso, Nicola Pinzani
Université Libre Bruxelles

Preprint: 2303.07148

The Geometry of Causality

Stefano Gogioso, Nicola Pinzani
Université Libre Bruxelles

Preprint: 2303.09017

Classification of causally complete spaces on 3 events with binary inputs

Stefano Gogioso, Nicola Pinzani
Université Libre Bruxelles

Preprint: 2303.09925

Are Entropy Bounds Epistemic?

Emily Adlam
UWO London

Preprint: 2303.10781

Complete Graphical Language for Hermiticity-Preserving Superoperators

Titouan Carette, Timothée Hoffreumon, Émile Larroque, Renaud Vilmart
Université Libre Bruxelles

Preprint: 2302.04212

Graph subshifts

Pablo Arrighi, Amélia Durbec, Pierre Guillon
Paris-Saclay

Preprint: 2302.07249

The Everything-is-a-Quantum-Wave Interpretation of Quantum Physics

Vlatko Vedral
Oxford Physics Department

Preprint: 2303.00831

What Is In a Survey? Simulation-Induced Selection Effects in Astronomy

Sarah C. Gallagher, Chris Smeenk
UWO London

Preprint: 2302.10774

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

Vincent Wang-Mascianica, Jonathon Liu, Bob Coecke
Quantinuum

Preprint: 2301.10595

Basic ZX-calculus for students and professionals

Bob Coecke
Quantinuum

Preprint: 2303.03163

Hybrid nonlocality via atom photon interactions with and without impurities

Pritam Halder, Ratul Banerjee, Saptarshi Roy, Aditi Sen De
QICI Hong Kong

Preprint: 2302.11513

Indeterminism and Bell nonlocality with classical systems

Lorenzo Giannelli, Carlo Maria Scandolo, Giulio Chiribella
QICI Hong Kong

Preprint: 2301.10885

Unextendible product bases from orthogonality graphs

Fei Shi, Ge Bai, Xiande Zhang, Qi Zhao, Giulio Chiribella
QICI Hong Kong

Preprint: 2303.02553

Geometry Transition in Spinfoams

Marios Christodoulou, Fabio D’Ambrosio, Charalampos Theofilis
IQOQI Vienna

Preprint: 2302.12622

Quantum Reference Frames at the Boundary of Spacetime

Viktoria Kabel, Časlav Brukner, Wolfgang Wieland
IQOQI Vienna

Preprint: 2302.11629

Loop Quantum Gravity and Quantum Information

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

Hal M. Haggard, Jerzy Lewandowski, Hanno Sahlmann
Bard College

Preprint: 2302.02840

Quantum mechanics and Alexander Bogdanov’s worldview: A conversation

Carlo Rovelli, Michael C. Jackson
CPT Marseille,

Preprint:
Journal: Syst Res Behav Sci. (2023)

Summing bulk quantum numbers with Monte Carlo in spin foam theories

Pietro Dona, Pietropaolo Frisoni
UWO London

Preprint: 2302.00072
Journal: Phys. Rev. D 107, 106008

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

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?

Spinfoams and high performance computing

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

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, UWO London

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

Geometry from local flatness in Lorentzian spin foam theories

Pietro Dona
UWO London

Preprint: 2211.04743
Journal: Phys.Rev.D 107 (2023) 6, 066011

Constructive Axiomatics in Spacetime Physics Part II: Constructive Axiomatics in Context

Emily Adlam, Niels Linnemann, James Read
UWO London

Preprint: 2211.05672

How causation is rooted into thermodynamics

Carlo Rovelli
CPT Marseille, UWO London, Perimeter Institute

Preprint: 2211.00888

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

Fabio M. Mele, Johannes Münch
OIST, CPT Marseille

Preprint: 2211.01268

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

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

Unpredictability is perfectly possible in a deterministic universe

Chiara Marletto, Vlatko Vedral
Oxford Physics Department

Preprint: 2210.09050

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

Witnessing superpositions of causal orders by weak measurements at a given time

Onur Pusuluk, Zafer Gedik, Vlatko Vedral
Oxford Physics Department

Preprint: 2209.09172

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

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
, 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

Francesca Vidotto
UWO London

Preprint: 2207.13722
Journal: Advances in Cosmology. Springer, Cham.