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Extractable Work from Correlations
Open accessAbstract
Work and quantum correlations are two fundamental resources in thermodynamics and quantum information theory.In this work, we study how to use correlations among quantum systems to optimally store work.We analyze this question for isolated quantum ensembles, where the work can be naturally divided into two contributions: a local contribution from each system and a global contribution originating from correlations among systems.We focus on the latter and consider quantum systems that are locally thermal, thus from which any extractable work can only come from correlations.We compute the maximum extractable work for general entangled states, separable states, and states with fixed entropy.Our results show that while entanglement gives an advantage for small quantum ensembles, this gain vanishes for a large number of systems.
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Cites
Quantum Computation and Quantum Information
Nielsen, M. A., Chuang, I., & Grover, L. K. (2002) · American Journal of Physics · doi:10.1119/1.1463744 · Cited by 21,895
Description of quantum coherence in thermodynamic processes requires constraints beyond free energy
Lostaglio, M., Jennings, D., & Rudolph, T. (2015) · Nature Communications · doi:10.1038/ncomms7383 · Cited by 727
How Small Can Thermal Machines Be? The Smallest Possible Refrigerator
Linden, N., Popescu, S., & Skrzypczyk, P. (2010) · Physical Review Letters · doi:10.1103/physrevlett.105.130401 · Cited by 453
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Cited by
Vinjanampathy, S., & Anders, J. (2016) · Contemporary Physics · doi:10.1080/00107514.2016.1201896 · Cited by 937
Experimental extractable work-based multipartite separability criteria
Ciampini, M. A., Mancino, L., Orieux, A., Vigliar, C., Mataloni, P., Paternostro, M., & Barbieri, M. (2017) · npj Quantum Information · doi:10.1038/s41534-017-0011-9 · Cited by 49
Metadata
- Authors
- Perarnau-Llobet, M., Hovhannisyan, K. V., Huber, M., Skrzypczyk, P., Brunner, N., & Acín, A.
- Venue
- Physical Review X
- Publisher
- American Physical Society (APS)
- Published
- 2015-10-22
- Volume
- 5
- Issue
- 4
- ISSN
- 2160-3308 (ISSN-L)
- OpenAlex
- W1819190166
- Cited by
- 256
- References
- 3
- FWCI
- 15.82
- Type
- journal article
- Language
- en
- Open access
- gold
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- Perarnau-Llobet, M., Hovhannisyan, K. V., Huber, M., Skrzypczyk, P., Brunner, N., & Acín, A. (2015). Extractable Work from Correlations. Physical Review X. https://doi.org/10.1103/physrevx.5.041011
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