Magnetic-field-driven transitions of chaotic dynamics in quantum cavities

被引：0
|
作者：
Takagaki, Y
ElHassan, M
Shailos, A
Prasad, C
Bird, JP
Ferry, DK
Ploog, KH
Lin, LH
Aoki, N
Ochiai, Y
机构：
[1] Paul Drude Inst Festkorperelekt, D-10117 Berlin, Germany
[2] Chiba Univ, Dept Mat Sci, Chiba 2368522, Japan
[3] Arizona State Univ, Ctr Solid State Elect Res, Tempe, AZ 85287 USA
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2001年 / 224卷 / 02期
关键词：
D O I：
10.1002/1521-3951(200103)224:2<471::AID-PSSB471>3.0.CO;2-R
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The influence of a magnetic field on the classical dynamics in ballistic cavities is investigated by analyzing conductance fluctuations that result from quantum interference effects. The magnetic field transforms the exponential decay of the probability distributions of the dwell time and the enclosed area to a power-law decay. The conductance fluctuations correspondingly exhibit a transition from a nonfractal to a fractal behavior. We also identify two additional states that take place when the magnetic field is weaker or stronger than that required to achieve the power-law probability distributions.
引用
收藏
页码：471 / 474
页数：4
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