COUNTING STATISTICS OF NONEQUILIBRIUM TUNNELING PROCESS USING FUNCTIONAL RENORMALIZATION GROUP

被引：1
|
作者：
Xu, Qing-Qiang [1 ,3 ,4 ]
Gao, Ben-Ling [2 ]
Xiong, Shi-Jie [3 ,4 ]
机构：
[1] Xuzhou Normal Univ, Dept Phys, Xuzhou 221009, Peoples R China
[2] Huaiyin Inst Technol, Dept Phys, Huaian 223003, Peoples R China
[3] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
[4] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2010年 / 24卷 / 05期
关键词：
Full counting statistics; nonequilibrium functional renormalization group; cumulant generating function; QUANTUM DOTS; REGIME;
D O I：
10.1142/S0217979210054075
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We develop a scheme to investigate the flux of nonequilibrium transport based on the full counting statistics and nonequilibrium functional renormalization group method. As an illustrative example, we study the charge transfer in the system of an interacting quantum dot connected to two noninteracting reservoirs via tunneling. Within the lowest approximation in functional renormalization group, we obtain the cumulant generating function analytically.
引用
收藏
页码：575 / 585
页数：11
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