Time-dependent photon heat transport through a mesoscopic Josephson device

被引：7

作者：

Lu, Wen-Ting ^{[1
]}

Zhao, Hong-Kang ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China

来源：

ANNALS OF PHYSICS | 2017年 / 377卷

基金：

中国国家自然科学基金;

关键词：

Time-oscillating photon heat current; Mesoscopic Josephson Junction; Landauer-like formula; Nonlinear behaviors; Coulomb interaction; Nonequilibrium Green's functions; JUNCTIONS;

D O I：

10.1016/j.aop.2016.12.025

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The time-oscillating photon heat current through a dc voltage biased mesoscopic Josephson Junction (MJJ) has been investigated by employing the nonequilibrium Green's function approach. The Landauer-like formula of photon heat current has been derived in both of the Fourier space and its time-oscillating versions, where Coulomb interaction, self inductance, and magnetic flux take effective roles. Nonlinear behaviors are exhibited in the photon heat current due to the quantum nature of MJJ and applied external dc voltage. The magnitude of heat current decreases with increasing the external bias voltage, and subtle oscillation structures appear as the superposition of different photon heat branches. The overall period of heat current with respect to time is not affected by Coulomb interaction, however, the magnitude and phase of it vary considerably by changing the Coulomb interaction. (C) 2016 Elsevier Inc. All rights reserved.

引用

页码：180 / 196

页数：17

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