Decay of Superflow Confined in Thin Torus:A Realization of Tunneling Quantum Fields
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概要
- 論文の詳細を見る
The qtranttrun ntrcleation of' phase slips in netrtr?rl strperfltrids confined in a thin tortrs is investigated Icy ta?eans of' the collective coordinate uaaethod. XX'e haxze dex'ised, witla ntmrtaerical.justification, a certain collective coordinate to describe the quatnttrna ntrcleation process of' aphase slip. Considering the qtranttrun fltrctttattiotu arotrnd the local rninirntrna of the action, xvecalculate the efl'ective 1112188 of tlte I)11218(2 slijo. Dtre to tlae cohereuace of' tlae cotaderusate tlarottghotrttlae tortrs, the effective l112lSS is proportional to tlae circtrna['erence L of' tlae torus, and the decatyrate lu?ts a strorug exponenti?tl L-dependence.
- 社団法人日本物理学会の論文
- 1999-12-15
著者
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Nishida Munehiro
Department Of Physics Waseda University
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Kurihara Susumu
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo:(present Address) The I
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