Asymmetric Heat Flow in Mesoscopic Magnetic System (Condensed Matter: Structure, Mechanical and Thermal Properties)
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概要
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The characteristics of heat flow in a coupled magnetic system are studied. The coupled system is composed of a gapped chain and a gapless chain. The system size is assumed to be quite small so that the mean free path is comparable to it. When the parameter set of the temperatures of reservoirs is exchanged, the characteristics of heat flow are studied with the Keldysh Green function technique. The asymmetry of current is found in the presence of a local equilibrium process at the contact between the magnetic systems. The present setup is realistic and such an effect will be observed in real experiments. We also discuss the simple phenomenological explanation to obtain the asymmetry.
- 社団法人日本物理学会の論文
- 2006-03-15
著者
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Saito Keiji
Department Of Applied Physics School Of Engineering University Of Tokyo
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Saito Keiji
Department Of Physics Graduate School Of Science University Of Tokyo
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Saito Keiji
Department Of Applied Physics Graduate School Of Engineering University Of Tokyo
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