Universal long-time behavior of aperiodically driven interacting quantum systems

Universal long-time behavior of aperiodically driven interacting quantum systems
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非周期驱动的相互作用量子系统的普遍长期行为

DOI:
10.1103/physrevb.96.054303
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发表时间:
2016-09
期刊:
影响因子:
3.7
通讯作者:
Schollwoeck Ulrich
Schollwoeck Ulrich
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Cai Zi;Hubig Claudius;Schollwoeck Ulrich

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了解多粒子系统的集体动力学在非平衡物理学中具有重要意义。本文系统地研究了随机驱动相互作用量子系统的长时间行为。我们发现,即使随机力将不可避免地驱动系统进入一个无特征的稳态,渐近行为接近稳态可以是高度非平凡的,并表现出丰富的普遍动力学之间的相互作用的随机驱动和量子多体效应。特别注意的模式耦合微扰的影响,这可能有重要的后果的长时间动力学的随机驱动的量子多体系统。
Understanding the collective dynamics in many-particle systems is of important significance in nonequilibrium physics. In this paper, we systematically study the long-time behavior in stochastically driven interacting quantum systems. We find that even though the stochastic forces will inevitably drive a system into a featureless steady state, the asymptotic behavior to approach the steady state can be highly nontrivial and exhibits rich universal dynamics due to the interplay between the stochastic driving and quantum many-body effects. Special attention is devoted to the effect of the mode-coupling perturbations, which may have important consequence for the long-time dynamics of the stochastically driven quantum many-body systems.
DOI: --
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