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Can Decay Be Ascribed to Classical Noise?

机译:衰变可以归因于经典噪声吗?

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摘要

The dynamics of a dissipative quantum system, in the Markovian approximation, is governed by the Gorini-Kossakowski-Lindblad-Sudarshan (GKLS) equation [1-3]. This equation always admits a dilation to a stochastic differential equation [4 - 6] and can be read as a (quantum) Langevin equation [7]. In the mathematical physics literature, stochastic equations have been studied both for Gaussian processes [5] and for general combinations of Gaussian and Poisson processes [6]. In this paper, we shall limit our analysis to the Gaussian case, which is more relevant for physical applications, see for example the review [8] on derivations and applications of stochastic Schrödinger equations for quantum control and quantum information processing.%1750001.1-1750001.18
机译:马尔可夫近似中的耗散量子系统的动力学由Gorini-Kossakowski-Lindblad-Sudarshan(GKLS)方程控制[1-3]。该方程式始终允许对随机微分方程式[4-6]进行扩张,并且可以将其理解为(量子)兰格文方程式[7]。在数学物理学文献中,对高斯过程[5]和高斯与泊松过程的一般组合[6]都研究了随机方程。在本文中,我们将分析限制在与物理应用更相关的高斯情况下,例如,参见有关随机Schrödinger方程在量子控制和量子信息处理中的推导和应用的评论[8]。%1750001.1-1750001.18

著录项

  • 来源
    《Open Systems & Information Dynamics》 |2017年第1期|1-18|共18页
  • 作者单位

    Institute of Mathematics, Physics and Computer Science, Aberystwyth University Aberystwyth SY23 3BZ, UK;

    Dipartimento di Fisica and MECENAS, Università di Bari, 1-70126 Bari, Italy ,INFN, Sezione di Bari, 1-70126 Barí, Italy;

    Dipartimento di Fisica and MECENAS, Università di Bari, 1-70126 Bari, Italy ,INFN, Sezione di Bari, 1-70126 Barí, Italy;

    Department of Physics, Waseda University, Tokyo 169-8555, Japan;

    Dipartimento di Fisica and MECENAS, Università di Bari, 1-70126 Bari, Italy ,INFN, Sezione di Bari, 1-70126 Barí, Italy;

    Department of Physics, Waseda University, Tokyo 169-8555, Japan;

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

    decay; dephasing; stochastic processes; quantum langevin equation;

    机译:衰减随机过程;量子兰格文方程;

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