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Quan, H. T.; Yang, S.; Sun, C. P.; Quan, HT , Los Alamos Natl Lab, Div Theoret, MS B213, Los Alamos, NM 87545 USA
Microscopic work distribution of small systems in quantum isothermal processes and the minimal work principle
Source PublicationPHYSICAL REVIEW E
KeywordFree-energy Differences Nonequilibrium Measurements
AbstractFor a two-level quantum mechanical system, we derive microscopically the exact expression for the fluctuation of microscopic work in. a multistep nonequilibrium process, and we rigorously prove that in an isothermal process, the fluctuation is vanishingly small and the most probabilistic work is just equal to the difference of the free energy. Our study demonstrates that the convergence of the microscopic work in the isothermal process is due to the nature of the isothermal process rather than the usual thermodynamic limit condition. Our investigation justifies the validity of a "minimum work principle" formulation of the second law even for a small system far from the thermodynamic limit.
2008
ISSN1539-3755
Volume78Issue:2Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationU.S. Department of Energy; NSFC[90203018, 10474104, 60433050, 10704023]; NFRPC[2006CB921205, 2005CB724508] ; U.S. Department of Energy; NSFC[90203018, 10474104, 60433050, 10704023]; NFRPC[2006CB921205, 2005CB724508] ; U.S. Department of Energy; NSFC[90203018, 10474104, 60433050, 10704023]; NFRPC[2006CB921205, 2005CB724508] ; U.S. Department of Energy; NSFC[90203018, 10474104, 60433050, 10704023]; NFRPC[2006CB921205, 2005CB724508]
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5492
Collection理论物理所科研产出_SCI论文
Corresponding AuthorQuan, HT , Los Alamos Natl Lab, Div Theoret, MS B213, Los Alamos, NM 87545 USA
Recommended Citation
GB/T 7714
Quan, H. T.,Yang, S.,Sun, C. P.,et al. Microscopic work distribution of small systems in quantum isothermal processes and the minimal work principle[J]. PHYSICAL REVIEW E,2008,78(2):-.
APA Quan, H. T.,Yang, S.,Sun, C. P.,&Quan, HT , Los Alamos Natl Lab, Div Theoret, MS B213, Los Alamos, NM 87545 USA.(2008).Microscopic work distribution of small systems in quantum isothermal processes and the minimal work principle.PHYSICAL REVIEW E,78(2),-.
MLA Quan, H. T.,et al."Microscopic work distribution of small systems in quantum isothermal processes and the minimal work principle".PHYSICAL REVIEW E 78.2(2008):-.
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