Thermodynamical approach to quantifying quantum correlations

Jonathan Oppenheim; Michał Horodecki; Paweł Horodecki; Ryszard Horodecki

doi:10.1103/physrevlett.89.180402

Thermodynamical approach to quantifying quantum correlations

Abstract

We consider the amount of work which can be extracted from a heat bath using a bipartite state ρ shared by two parties. In general it is less then the amount of work extractable when one party is in possession of the entire state. We derive bounds for this “work deficit” and calculate it explicitly for a number of different cases. In particuar, for pure states the work deficit is exactly equal to the distillable entanglement of the state. A form of complementarity exists between physical work which can be extracted and distillable entanglement. The work deficit is a good measure of the quantum correlations in a state and provides a new paradigm for understanding quantum nonlocality.

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Authors (4)

Jonathan Oppenheim
- Faculty of Applied Physics and Mathematics
- Gdańsk University of Technology
Michał Horodecki
- Faculty of Applied Physics and Mathematics
- Gdańsk University of Technology
Paweł Horodecki prof. dr hab.
Ryszard Horodecki
- Faculty of Applied Physics and Mathematics
- Gdańsk University of Technology

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Category:: Articles
Type:: artykuł w czasopiśmie z listy filadelfijskiej
Published in:: PHYSICAL REVIEW LETTERS no. 89, edition 18, pages 1 - 4,
ISSN: 0031-9007
Language:: English
Publication year:: 2002
Bibliographic description:: Oppenheim J., Horodecki M., Horodecki P., Horodecki R.: Thermodynamical approach to quantifying quantum correlations// PHYSICAL REVIEW LETTERS. -Vol. 89., iss. 18 (2002), s.1-4
DOI:: Digital Object Identifier (open in new tab) 10.1103/physrevlett.89.180402
Verified by:: Gdańsk University of Technology