Critical Temperature, Critical Current, and Vortex Loops in 3D Anisotropic Josephson Junction Arrays.
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- Kawabata Chikao
- Faculty of Environmental Science and Technology, Okayama University, Okayama 700–8530
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- Takeuchi Masaki
- Faculty of Environmental Science and Technology, Okayama University, Okayama 700–8530
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- Shenoy Subodh R.
- Condensed Matter Group, Abdus Salam International Center for Theoretical Physics, Trieste 34100, Italy
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- Bishop Alan R.
- Theoretical Division and Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, NM87545, U.S.A.
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Monte Carlo simulations of a 3D anisotropic Josephson junction array are performed, to determine the critical temperature Tc(I, α) for the onset of phase incoherence. Here I is the external current drive at opposite surfaces, and α≡ EJ⊥/EJ// is the inter-/intra-layer Josephson coupling ratio. Tc(I, α) is equivalent to a critical current, Ic(T, α) for the breakdown of global phase coherence. The temperature and anisotropy dependence of Ic(T, α) supports a physical picture of two vortex populations, quasi-2D and 3D in nature at small and large scales respectively, separated by a length scale r⊥-- 1/√ α .
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 69 (1), 194-202, 2000
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204180234752
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- NII論文ID
- 210000102333
- 110001971002
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2000JPSJ...69..194K
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 4970745
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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