Frontiers of quantum physics

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Pinning of Fermionic Occupation Numbers: General Concepts and One Dimension

(2016)

Authors:

Felix Tennie, Daniel Ebler, Vlatko Vedral, Christian Schilling
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Quantum thermodynamics for a model of an expanding Universe

Classical and Quantum Gravity IOP Publishing 33:3 (2016) 035003

Authors:

Nana Liu, John Goold, Ivette Fuentes, Vlatko Vedral, Kavan Modi, David Edward Bruschi
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Entanglement Rényi α entropy

Physical Review A American Physical Society (APS) 93:2 (2016) 022324

Authors:

Yu-Xin Wang, Liang-Zhu Mu, Vlatko Vedral, Heng Fan
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General framework for quantum macroscopicity in terms of coherence

Physical Review A American Physical Society (APS) 93:2 (2016) 022122

Authors:

Benjamin Yadin, Vlatko Vedral
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Photonic Maxwell's Demon.

Physical review letters 116:5 (2016) 050401

Authors:

Mihai D Vidrighin, Oscar Dahlsten, Marco Barbieri, MS Kim, Vlatko Vedral, Ian A Walmsley

Abstract:

We report an experimental realization of Maxwell's demon in a photonic setup. We show that a measurement at the few-photons level followed by a feed-forward operation allows the extraction of work from intense thermal light into an electric circuit. The interpretation of the experiment stimulates the derivation of an equality relating work extraction to information acquired by measurement. We derive a bound using this relation and show that it is in agreement with the experimental results. Our work puts forward photonic systems as a platform for experiments related to information in thermodynamics.
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