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Quantum World 3 Seminar

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Venue: BME FA Seminar room
The seminar is held in a hybrid format. You can follow the events at this link.
We start at 4pm Budapest time, you can check the time zone here.
All participants familiarize themselves with the weekly paper in advance, so the presentations sometimes turn into discussions.

Upcoming sessions:


2nd week, 2025 September
Paper: C. Emary, N. Lambert, F. Nori: Leggett–Garg inequalities link
By Márton Kormos


3rd week, 2025 September
Paper: F. Pastawski, B. Yoshida, D. Harlow, J. Preskill: Holographic quantum error-correcting codes: toy models for the bulk/boundary correspondence link
By János Asbóth


We skip one week

1st week, 2025 October
Paper: A. Tilloy: General quantum-classical dynamics as measurement based feedback link
By Antoine Tilloy (online)


2nd week, 2025 October
Paper: J. Taylor, P. McCulloh: Wavefunction branching: when you can’t tell pure states from mixed states link
By Tibor Rakovszky


3rd week, 2025 October
Paper: TBD
By Máté Lencsés


4th week, 2025 October
Paper: TBD
By TBD


Last week, 2025 October
Paper: JM. A. Allen, J. Barrett, D. C. Horsman, C. M. Lee, R. W. Spekkens: Quantum Common Causes and Quantum Causal Models link
By Szilárd Szalay


1st week, 2025 November
Paper: N. Ormrod, J. Barrett: Quantum influences and event relativity link
By Nick Ormrod (online)


2nd week, 2025 November
Paper: D. Schmid, K. Ried, R. W. Spekkens: Why initial system-environment correlations do not imply the failure of complete positivity: A causal perspective link
By David Schmid (online)


...

TBD, 2025 TBD
Paper: TBD
By Andrea Di Biagio


List of interesting papers:


Add new papers here


CJ. Riedel: Classical Branch Structure from Spatial Redundancy in a Many-Body Wave Function link


C. Overstreet, P. Asenbaum, J. Curti, M. Kim, M. Kasevich: Observation of a gravitational Aharonov-Bohm effect link


W. Zurek: Consensus About Classical Reality in a Quantum Universe link


D. Carney, M. Karydas, T. Scharnhorst, R. Singh, J. Taylor: On the quantum mechanics of entropic forces link


R. Blume-Kohout, W. Zurek: A Simple Example of “Quantum Darwinism”: Redundant Information Storage in Many-Spin Environments link


F. Brandao, M. Piani, P. Horodecki: Generic emergence of classical features in quantum Darwinism link


R. Blume-Kohout, H. Ng, D. Poulin, L. Viola: Information-preserving structures: A general framework for quantum zero-error information link


J. Cotler, G. Penington, D. Ranard: Locality from the spectrum link


C-J. Cao: From Quantum Codes to Gravity: A Journey of Gravitizing Quantum Mechanics link


S. Carroll, A. Singh: Quantum mereology: Factorizing Hilbert space into subsystems with quasiclassical dynamics link


E. Doucet, S. Deffner: Compatibility of quantum measurements and the emergence of classical objectivity link


B. Ferté, X. Cao: Solvable model of quantum Darwinism-encoding transitions link


X-L Qi, D. Ranard: Emergent classicality in general multipartite states and channels link


G. Lindblad: Decoherence properties of finite quantum systems link


G. Higgens, A. Di Biagio, M. Christodoulou: A truly relativistic gravity mediated entanglement protocol using superpositions of rotational energies link


L. Diósi: A healthier stochastic semiclassical gravity: world without Schrödinger cats link


A. Bassi, K. Lochan, S. Satin, T. P. Singh, H. Ulbricht: Models of wave-function collapse, underlying theories, and experimental tests link


F. Giacomini, E. Castro-Ruiz, C. Brukner: Quantum mechanics and the covariance of physical laws in quantum reference frames link


H. Ollivier: Emergence of Objectivity for Quantum Many-Body Systems link


A. Touil, F. Anza, S. Deffner, JP Crutchfield: Branching States as The Emergent Structure of a Quantum Universe link


P. Figueroa-Romero, K. Modi, and FA. Pollock: Almost Markovian processes from closed dynamics link