驱动多体系统的输运方程
Transport equations for driven many-body systems
摘要：
在统计假设和马尔可夫近似的帮助下，导出了自治驱动费米量子系统的输运方程。如果系统由平衡足够快的子系统组成，则统计假设成立。如果每个子系统中的能级密度在能量上足够光滑，则马尔可夫近似成立。输运方程描述了两种情况，在等能量下子系统之间的占据概率的松弛导致热化，以及由驱动力引起的系统向更高能量的输运。激光-核相互作用作为一个例子的适用性和灵活性的方法。
英文摘要：
Transport equations for autonomous driven Fermionic quantum systems are derived with the help of statistical assumptions and of the Markov approximation. The statistical assumptions hold if the system consists of subsystems within which equilibration is sufficiently fast. The Markov approximation holds if the level density in each subsystem is sufficiently smooth in energy. The transport equation describes both, relaxation of occupation probability among subsystems at equal energy that leads to thermalization, and the transport of the system to higher energy caused by the driving force. The laser-nucleus interaction serves as an example for the applicability and flexibility of the approach.
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