Quantum transport using the Ford-Kac-Mazur formalism

被引:60
作者
Dhar, A [1 ]
Shastry, BS
机构
[1] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA
[2] Indian Inst Sci, Bangalore 560012, Karnataka, India
[3] JNCASR, Bangalore, Karnataka, India
来源
PHYSICAL REVIEW B | 2003年 / 67卷 / 19期
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevB.67.195405
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The Ford-Kac-Mazur formalism is used to study quantum transport in (1) electronic and (2) harmonic oscillator systems connected to general reservoirs. It is shown that for noninteracting systems the method is easy to implement and is used to obtain many exact results on electrical and thermal transport in one-dimensional disordered wires. Some of these have earlier been obtained using nonequilibrium Green function methods. We examine the role that reservoirs and contacts can have on determining the transport properties of a wire and find several interesting effects.
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页数:10
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