Non-dissipative decoherence for quantum carpets

被引：0

作者：

Bonifacio, R ^{[1
]}

Marzoli, I

Schleich, WP

机构：

[1] Univ Milan, Dipartimento Fis, Ist Nazl Fis Nucl, I-20133 Milan, Italy

[2] INFM, Sez Milano, I-20133 Milan, Italy

[3] Univ Camerino, Dipartimento Matemat & Fis, I-62032 Camerino, Italy

[4] Univ Camerino, INFM, I-62032 Camerino, Italy

[5] Univ Ulm, Abt Quantenphys, D-89069 Ulm, Germany

来源：

JOURNAL OF MODERN OPTICS | 2000年 / 47卷 / 14-15期

关键词：

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe decoherence for quantum carpets using a model-independent formalism ruled by a characteristic time tau. We rnd that the rate of decoherence depends critically on the ratio between tau and tau (E) = h/2 sigma (H). When tau = tau (E) << 1 decoherence is very slow, while it becomes very fast for the opposite case. The rate of decoherence is described in terms of the fidelity function.

引用

页码：2891 / 2904

页数：14

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