Quantum information and the arrow of time. Andrea Di Biagio (QISS Rome), Pietro Donà, Carlo Rovelli (QISS Marseille) pre-published at Popular Summary: Standard formulations of quantum mechanics feature two distinct laws describing how the state of a quantum system changes in time. The first law, the Schrödinger equation, is smooth and time-reversal symmetric. By looking …
Cognitive Structures of Space-Time. Published in Frontiers in Psychology, 21 October 2020. By Signorelli Camilo Miguel, Dündar-Coecke Selma, Wang Vincent, Coecke Bob (QISS Oxford Computer Science) Popular Summary Space and time have been the subject of physics for thousands of years, with Euclid’s account paving the way for modern mathematics. At the same time it …
[1] Facts are relative, Caslav Brukner, Nature Physics volume 16, pages 1172–1174 (2020), [2] A no-go theorem for the persistent reality of Wigner’s friend’s perception (under review) Popular summary: The quantum measurement problem is one of the most fundamental in quantum theory and its putative solutions are at the centre of controversy over their alternative interpretations. …
Wigner’s friend through experiment: relativity of facts Read More »
Carlo Rovelli, QICI Distinguished Lecture (Wide Public Lecture at HKU, 300 attendants), What is time? Further details here Watch Carlo’s TED talk What is time?
Quantum weirdness isn’t weird – if we accept objects don’t exist We can grasp the truth about the quantum world, as long as we abandon our most cherished assumption about what’s real and what’s not Further details here
Where does our Universe come from? To this fundamental question, if any, the physicist Carlo Rovelli provides an answer based on a theory that attempts to unify Einstein’s general relativity with quantum mechanics: it would come from a Planck star, a tiny star born during a rebound … from a previous universe. Further details here. …
Science et Vie — The whole universe would have originated from a Planck star Read More »
The French journal Pour la Science, is re-publishing as a special supplement a popular science article co-written by Rovelli on the foundations of Quantum Theory. Read the article here (in French).
An international team of experts, led by the University of Nottingham, have demonstrated that only quantum and not classical gravity could be used to create a certain informatic ingredient that is needed for quantum computation. Their research “Non-Gaussianity as a signature of a quantum theory of gravity” has been published today in PRX Quantum. Please see the article …
phys.org: Testing Quantum Gravity with Non-Gaussianity Read More »
Carlo Rovelli’s new book Helgoland reviewed in the Guardian. See the article here.
Carlo Rovelli has been interviewed by the Financial Times on his new book Helgoland. See the article here.
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