Heat transport through lattices of quantum harmonic oscillators in arbitrary dimensions

被引：82
作者：
Asadian, A. [1 ,2 ]
Manzano, D. [1 ,3 ,4 ]
Tiersch, M. [1 ,3 ]
Briegel, H. J. [1 ,3 ]
机构：
[1] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
[2] Vienna Univ Technol, Atominst, A-1020 Vienna, Austria
[3] Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-6020 Innsbruck, Austria
[4] Univ Granada, Inst Carlos Fis Teor & Computat 1, Granada, Spain
来源：
PHYSICAL REVIEW E | 2013年 / 87卷 / 01期
基金：
奥地利科学基金会;
关键词：
ENTANGLEMENT; CONDUCTION;
D O I：
10.1103/PhysRevE.87.012109
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
In d-dimensional lattices of coupled quantum harmonic oscillators, we analyze the heat current caused by two thermal baths of different temperatures, which are coupled to opposite ends of the lattice, with a focus on the validity of Fourier's law of heat conduction. We provide analytical solutions of the heat current through the quantum system in the nonequilibrium steady state using the rotating-wave approximation and bath interactions described by a master equation of Lindblad form. The influence of local dephasing in the transition of ballistic to diffusive transport is investigated. DOI: 10.1103/PhysRevE.87.012109
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页数：8
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