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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wilming, H. Gallego, R. Eisert, J. |
| Description | Country affiliation: Germany Author Affiliation: Wilming H ( Dahlem Center for Complex Quantum Systems, Freie Universität Berlin, 14195 Berlin, Germany.); Gallego R ( Dahlem Center for Complex Quantum Systems, Freie Universität Berlin, 14195 Berlin, Germany.); Eisert J ( Dahlem Center for Complex Quantum Systems, Freie Universität Berlin, 14195 Berlin, Germany.) |
| Abstract | The second law of thermodynamics, formulated as an ultimate bound on the maximum extractable work, has been rigorously derived in multiple scenarios. However, the unavoidable limitations that emerge due to the lack of control on small systems are often disregarded when deriving such bounds, which is specifically important in the context of quantum thermodynamics. Here we study the maximum extractable work with limited control over the working system and its interaction with the heat bath. We derive a general second law when the set of accessible Hamiltonians of the working system is arbitrarily restricted. We then apply our bound to particular scenarios that are important in realistic implementations: limitations on the maximum energy gap and local control over many-body systems. We hence demonstrate in what precise way the lack of control affects the second law. In particular, contrary to the unrestricted case, we show that the optimal work extraction is not achieved by simple thermal contacts. Our results not only generalize the second law to scenarios of practical relevance, but also take first steps in the direction of local thermodynamics. |
| File Format | HTM / HTML |
| ISSN | 24700045 |
| e-ISSN | 24700053 |
| Journal | Physical Review E |
| Volume Number | 93 |
| Language | English |
| Publisher | American Physical Society |
| Publisher Date | 2016-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Statistical and Nonlinear Physics many-body systems Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Statistics and Probability Statistical and Nonlinear Physics Condensed Matter Physics |
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