论文标题
表征现场驱动相关量子系统的非平衡动力学
Characterizing the Nonequilibrium Dynamics of Field-Driven Correlated Quantum Systems
论文作者
论文摘要
超快现象的最新实验进步引发了人们对相关量子系统动力学的重新兴趣，从而远离平衡。我们回顾了DC场驱动相关量子系统的瞬态和稳态的非平衡动态平均场理论研究。特别是，我们专注于非平衡行为及其与波动驱动定理的关系。波动 - 散落定理是作为系统如何热化和如何达到稳态的指标出现的。当系统在无限温度稳态下热效时，它可以通过一系列的准热状态，这些状态近似遵守波动散失定理。我们还讨论了Wigner分布及其进化告诉我们有关多体问题的无序问题。
Recent experimental advances in ultrafast phenomena have triggered renewed interest in the dynamics of correlated quantum systems away from equilibrium. We review nonequilibrium dynamical mean-field theory studies of both the transient and the steady states of a DC field-driven correlated quantum system. In particular, we focus on the nonequilibrium behavior and how it relates to the fluctuation-dissipation theorem. The fluctuation-dissipation theorem emerges as an indicator for how the system thermalizes and for how it reaches a steady state. When the system thermalizes in an infinite temperature steady state it can pass through a succession of quasi-thermal states that approximately obey the fluctuation-dissipation theorem. We also discuss the Wigner distribution and what its evolution tells us about the nonequilibrium many-body problem.
