准周期反冲转子的内禀退相干和不可逆性
Intrinsic Decoherence and Irreversibility in the Quasiperiodic Kicked Rotor
摘要：
我们发现，一些经典的混沌量子系统从噪声环境中解耦可能会产生固有的退相干及其所有相关的影响。特别是，我们已经观察到的时间不可逆性和高灵敏度的小扰动在初始条件下的准周期版本的踢转子。具有内禀退相干的简单量子系统的存在阐明了混沌系统中的量子-经典对应。
英文摘要：
We show that some classically chaotic quantum systems uncoupled from noisy environments may generate intrinsic decoherence with all its associated effects. In particular, we have observed time irreversibility and high sensitivity to small perturbations in the initial conditions in a quasiperiodic version of the kicked rotor. The existence of simple quantum systems with intrinsic decoherence clarifies the quantum--classical correspondence in chaotic systems.
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