The entropy production for thermal operations
| Autor: | S. Salimi, A. S. Khorashad, Soroush Haseli, H. Dolatkhah |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Work (thermodynamics)
Quantum Physics Multidisciplinary Basis (linear algebra) Quantum information Entropy production Quantum correlation lcsh:R lcsh:Medicine FOS: Physical sciences Mutual information Gibbs state 01 natural sciences Laws of thermodynamics Expression (mathematics) Article 010305 fluids & plasmas 0103 physical sciences Thermodynamics lcsh:Q Statistical physics lcsh:Science Quantum Physics (quant-ph) 010306 general physics Mathematics |
| Zdroj: | Scientific Reports Scientific Reports, Vol 10, Iss 1, Pp 1-10 (2020) |
| ISSN: | 2045-2322 |
| Popis: | According to the first and second laws of thermodynamics and the definitions of work and heat, microscopic expressions for the non-equilibrium entropy production have been achieved. Recently, a redefinition of heat has been presented in [\href{Nature Communicationsvolume 8, Article number: 2180 (2017)}{Nat. Commun. 8, 2180 (2017)}]. We are going to determine how this redefinition of heat could affect the expression of the entropy production. Utilizing this new definition of heat, it could be found out that there is a new expression for the entropy production for thermal operations. It could be derived if the initial state of the system and the bath is factorized, and if the total entropy of composite system is preserved, then the new entropy production will be equal to mutual information between the system and the bath. It is shown that if the initial state of the system is diagonal in energy bases, then the thermal operations cannot create a quantum correlation between the system and the bath. 5 pages, 1 figures |
| Databáze: | OpenAIRE |
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