Effects of Low Energy Excitations in SNS Junction on the Dynamics of Josephson Phase
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概要
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Effects of low energy excitation on the dynamics of Josephson phase in SNS junction areinvestigated. Frorn the rnicroscopic Harniltonian, the effective action for the phase variable isderived. The retardation effects due to low energy excitation in normal (N) region are seen to playimportant roles in the dynamics of the phase. By the self-consistent harmonic approximation,renorrnalization of mass and dissipation constant are calculated, revealing the enhancement ofthe former and the suppression of the latter in general. Various sitvration appears depending onthese renortnalized values.
- 社団法人日本物理学会の論文
- 1997-09-15
著者
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FUKUYAMA Hidetoshi
Department of Applied Physics, Tokyo University of Science
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Awaka Kaoru
Department Of Physics University Of Tokyo
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Fukuyama Hidetoshi
Department Of Applied Physics Faculty Of Science Tokyo University Of Science
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Fukuyama Hidetoshi
Department of Applied Physics and Research Institute for Science and Technology, Tokyo University of Science, Shinjuku, Tokyo 162-8601, Japan
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