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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク fluxon ： ウィキペディア英語版 fluxon In physics, a fluxon is a quantum of electromagnetic flux. The term may have any of several related meanings. ==Superconductivity== In the context of superconductivity, in type II superconductors fluxons (also known as an Abrikosov vortices) can form when the applied field lies between $B\_$ and $B\_$. The fluxon is a small whisker of normal phase surrounded by superconducting phase, and Supercurrents circulate around the normal core. The magnetic field through such a whisker and its neighborhood, which has size of the order of London penetration depth $\backslash lambda\_L$ (~100 nm), is quantized because of the phase properties of the magnetic vector potential in quantum electrodynamics, see magnetic flux quantum for details. In the context of long Superconductor-Insulator-Superconductor Josephson tunnel junctions, a fluxon (aka Josephson vortex) is made of circulating supercurrents and has ''no'' normal core in the tunneling barrier. Supercurrents circulate just around the mathematical center of a fluxon, which is situated with the (insulating) Josephson barrier. Again, the magnetic flux created by circulating supercurrents is equal to a magnetic flux quantum $\backslash Phi\_0$ (or less, if the superconducting electrodes of the Josephson junction are thinner than $\backslash lambda\_L$). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「fluxon」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.