动力学离域开始时的量子标度律
Quantum scaling laws in the onset of dynamical delocalization
摘要:
我们研究破坏的动力学本地化,实验观察到的原子实现的踢转子,由确定性的哈密顿扰动,与时间周期性不相称的主要驱动。我们表明,破坏是渐进的,与定义良好的标度律的各种经典和量子参数,与预测的基础上的类比与安德森局域化形成鲜明对比。
英文摘要:
We study the destruction of dynamical localization, experimentally observed in an atomic realization of the kicked rotor, by a deterministic Hamiltonian perturbation, with a temporal periodicity incommensurate with the principal driving. We show that the destruction is gradual, with well defined scaling laws for the various classical and quantum parameters, in sharp contrast with predictions based on the analogy with Anderson localization.
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