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Effect of the Non-Uniform Dzyaloshinskii-Moriya Interactionon Heat Conduction of Quantum Ising Chains(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2016年04期
Page:
0-
Research Field:
·物理学·
Publishing date:

Info

Title:
Effect of the Non-Uniform Dzyaloshinskii-Moriya Interactionon Heat Conduction of Quantum Ising Chains
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)
Keywords:
non-uniform Dzyaloshinskill-Moriya interaction; heat conduction; quantum spin chain
PACS:
O469
DOI:
10.3969/j.issn.1001-4616.2016.04.019
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.

References:

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Last Update: 2016-12-31