Work and heat for two-level systems in dissipative environments: Strong driving and non-Markovian dynamics

被引：44

作者：

Schmidt, R. ^{[1
]}

Carusela, M. F. ^{[2
,3
]}

Pekola, J. P. ^{[4
]}

Suomela, S. ^{[5
,6
]}

Ankerhold, J. ^{[7
,8
]}

机构：

[1] Univ Nottingham, Sch Math Sci, Nottingham NG7 2RD, England

[2] Univ Nacl Gen Sarmiento, Inst Ciencias, Buenos Aires, DF, Argentina

[3] Consejo Nacl Invest Cient & Tecn, Caba, Argentina

[4] Aalto Univ, Sch Sci, Dept Appl Phys, Low Temp Lab, Aalto 00076, Finland

[5] Aalto Univ, Sch Sci, Dept Appl Phys, Aalto 00076, Finland

[6] Aalto Univ, Sch Sci, COMP Ctr Excellence, Aalto 00076, Finland

[7] Univ Ulm, Inst Complex Quantum Syst, D-89069 Ulm, Germany

[8] Univ Ulm, Ctr Integrated Quantum Sci & Technol, D-89069 Ulm, Germany

来源：

PHYSICAL REVIEW B | 2015年 / 91卷 / 22期

基金：

芬兰科学院;

关键词：

QUANTUM; STATISTICS;

D O I：

10.1103/PhysRevB.91.224303

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Work, moments of work, and heat flux are studied for the generic case of a strongly driven two-level system immersed in a bosonic heat bath in domains of parameter space where perturbative treatments fail. This includes in particular the interplay between non-Markovian dynamics and moderate to strong external driving. Exact data are compared with predictions from weak-coupling approaches. Further, the role of system-bath correlations in the initial thermal state and their impact on the heat flux are addressed. The relevance of these results for current experimental activities on solid-state devices is discussed.

引用

页数：9

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