Delocalization of Quantum Kicked Rotator with a Large Denominator

MA Tao; LI Shu-Min

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Delocalization of Quantum Kicked Rotator with a Large Denominator

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摘要

We use the iterative unitary matrix multiplication method to calculate the long-time behaviour of the resonant quantum kicked rotator with a large denominator. The delocalization time is an exponential function of the denominator. The wave function delocalizes through degenerate states. We also construct a nonresonant quantum kicked rotator with delocalization.

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《中国物理快报：英文版》 |2008年第6期|1968-1971|共4页
作者
MA Tao; LI Shu-Min;
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Department of Modern Physics, University of Science and Technology of China, Hefei 230026;

Department of Modern Physics, University of Science and Technology of China, Hefei 230026;

Institut für Theoretische Physik, Univsit(a)t Heidelberg, 69120 Heidelberg, Germany;

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中图分类物理学;
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Delocalization of Quantum Kicked Rotator with a Large Denominator

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