[1]李文娟,张振俊.非均匀Dzyaloshinskill-Moriya相互作用对量子Ising链热传导行为的影响[J].南京师范大学学报(自然科学版),2016,39(04):0.[doi:10.3969/j.issn.1001-4616.2016.04.019]
　Li Wenjuan,Zhang Zhenjun.Effect of the Non-Uniform Dzyaloshinskii-Moriya Interactionon Heat Conduction of Quantum Ising Chains[J].Journal of Nanjing Normal University(Natural Science Edition),2016,39(04):0.[doi:10.3969/j.issn.1001-4616.2016.04.019]
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非均匀Dzyaloshinskill-Moriya相互作用对量子Ising链热传导行为的影响()
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《南京师范大学学报》（自然科学版）[ISSN:1001-4616/CN:32-1239/N]

卷:
第39卷
期数:
2016年04期
页码:
0
栏目:
·物理学·
出版日期:
2016-12-30

文章信息/Info

Title:
Effect of the Non-Uniform Dzyaloshinskii-Moriya Interactionon Heat Conduction of Quantum Ising Chains
文章编号:
1001-4616(2016)04-0114-07
作者:
李文娟1; 张振俊2
(1.长沙师范学院初等教育系,湖南 长沙 410100)(2.河海大学理学院,江苏 南京 210098)
Author(s):
Li Wenjuan1; Zhang Zhenjun2
(1.Department of Junior Education,Changsha Normal University,Changsha 410100,China)(2.College of Science,Hohai University,Nanjing 210098,China)
关键词:
非均匀Dzyaloshinskill-Moriya相互作用; 热传导; 量子自旋链
Keywords:
non-uniform Dzyaloshinskill-Moriya interaction; heat conduction; quantum spin chain
分类号:
O469
DOI:
10.3969/j.issn.1001-4616.2016.04.019
文献标志码:
A
摘要:
基于Lindblad量子主方程方法,主要研究了交错、无序以及准周期Dzyaloshinskill-Moriya(DM)相互作用对量子Ising自旋链热传导行为的影响. 通过计算局域能量密度和局域能流,发现对于这三类DM相互作用,当系统尺寸固定时,增大DM相互作用强度,流经量子Ising链的能流都将增多,但是能流随系统尺寸增大的标度行为却截然不同. 因此,可以通过调节DM相互作用的强度与形式来控制量子Ising链的热传导行为.
Abstract:
Basing on the Lindblad master equation,we study the effect of the staggered,random,and the aperiodic Dzyaloshinskii-Moriya(DM)on the heat conductivity of quantum Ising chains. By calculating the average energy-density profile and the average energy current,the numerical results show that the DM interaction could increase the heat conduction of Ising chains for the fixed system size with the three kinds of DM interactions above. But the scaling behaviors of energy current with increasing system size for the Ising chain with staggered,random,Finonacci DM interactions show differently. Therefore,the heat transport behavior of Ising chain could be adjusted by controlling the strength and the forms of the DM interaction.

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备注/Memo

备注/Memo:
收稿日期:2016-06-01.
基金项目:国家自然科学基金(11175087,11305045)、湖南省自然科学基金(2015JJ6006)、湖南省科学研究项目(16C0113).
通讯联系人:李文娟,博士研究生,讲师,研究方向:非平衡量子输运. E-mail:liwen19842003@163.com
更新日期/Last Update: 2016-12-31