Study on spontaneous magnetization in a double-junction π ring
Author(s) -
Zhongkui Tan,
Bo Mao,
Furen Wang,
Zhuangzhi Li,
Ruijuan Nie,
Dai Yuan-Dong
Publication year - 2005
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.54.364
Subject(s) - magnetization , spontaneous magnetization , materials science , ring (chemistry) , condensed matter physics , physics , quantum mechanics , magnetic field , chemistry , organic chemistry
We have discussed the conditions under which a double_junction π ring magnetize spontaneously and provided the theoretical derivation. The condition is not onl y related with the parameter of induction, but also related to the ratio of the critical currents of the two junctions. Analyzing the free energy illustrates th at the spontaneous magnetization results in a stable state.
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