PHASE COHERENCE EFFECTS IN ANTIDOT LATTICES - A SEMICLASSICAL APPROACH TO BULK CONDUCTIVITY

被引：57

作者：

RICHTER, K

机构：

[1] UNIV PARIS 11, INST PHYS NUCL, DIV PHYS THEOR, CNRS, UNITE RECH, F-91406 ORSAY, FRANCE

[2] UNIV PARIS 06, CNRS, UNITE RECH, PARIS, FRANCE

来源：

EUROPHYSICS LETTERS | 1995年 / 29卷 / 01期

关键词：

D O I：

10.1209/0295-5075/29/1/002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We derive semiclassical expressions for the Kubo conductivity tenser. Within our approach the oscillatory parts of the diagonal and Hall conductivity are given as sums over contributions from classical periodic orbits in close relation to Gutzwiller's trace formula for the density of states. Taking into account the effects of weak disorder and temperature, we reproduce recently observed anomalous phase coherence oscillations in the conductivity of large antidot arrays.

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页码：7 / 12

页数：6

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