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arXiv 0811.3134math-phmath.MPnlin.CDquant-ph
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部分开量子映射的Weyl定律

Weyl laws for partially open quantum maps

Emmanuel Schenck

摘要:

我们研究了一个玩具模型的“部分开放”的波力学系统,例如一个电介质微腔,在半经典极限射线动力学是适用的。我们的模型是一个二维环面上的量子映射,在每个时间步都有一个额外的阻尼,导致一个次酉传播子,或“阻尼量子映射”。在半经典极限下,我们得到了类似的Weyl定律,并在经典动力学为混沌时给出了一些更精确的估计。

英文摘要:

We study a toy model for "partially open" wave-mechanical system, like for instance a dielectric micro-cavity, in the semiclassical limit where ray dynamics is applicable. Our model is a quantized map on the 2-dimensional torus, with an additional damping at each time step, resulting in a subunitary propagator, or "damped quantum map". We obtain analogues of Weyl's laws for such maps in the semiclassical limit, and draw some more precise estimates when the classical dynamic is chaotic.

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