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

机译:耗散环境中两级系统的工作和热量:强大的驱动力和非马尔可夫动力学

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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.
机译:对于强驱动的两级系统的一般情况,研究了功,工作矩和热通量,该系统浸入在扰动处理失败的参数空间域中的Bosonic热浴中。这尤其包括非马尔可夫动力学与中等到强外部驱动之间的相互作用。将精确数据与弱耦合方法的预测进行比较。此外,还讨论了系统-浴关联在初始热状态中的作用及其对热通量的影响。讨论了这些结果与当前在固态设备上的实验活动的相关性。

著录项

  • 来源
    《Physical review》 |2015年第22期|224303.1-224303.9|共9页
  • 作者单位

    School of Mathematical Sciences, University of Nottingham, University Park NG7 2RD, United Kingdom;

    Instituto de Ciencias, Universidad Nacional de General Sarmiento, J. M. Gutierrez 1150 (C.P.1613), Los Polvorines, Buenos Aires, Argentina,CONICET (National Scientific and Technical Research Council), Av. Rivadavia 1917, CABA, Argentina;

    Low Temperature Laboratory, Department of Applied Physics, Aalto University School of Science, P.O. Box 13500, 00076 Aalto, Finland;

    Department of Applied Physics and COMP Center of Excellence, Aalto University School of Science, P.O. Box 11100, 00076 Aalto, Finland;

    Institute for Complex Quantum Systems and Center for Integrated Quantum Science and Technology, Ulm University, Albert Einstein-Allee 11, 89069 Ulm, Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    decoherence; open systems; quantum statistical methods; nonequilibrium and irreversible thermodynamics;

    机译:退相干开放系统;量子统计方法;非平衡和不可逆的热力学;

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