EFFECT OF THERMAL FLUCTUATIONS ON LONG-RANGE ORDER IN TYPE-II SUPERCONDUCTORS

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作者：
SERGEEVA, GG
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FIZIKA NIZKIKH TEMPERATUR | 1994年 / 20卷 / 01期
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O59 [应用物理学];
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摘要：
Different definitions of the phase PHI(gi)(r) of the gauage-invariant order parameter in type-II superconductors re compared. It is shown that all phases satysfy the same equations and the boundary conditions. In a mixed state the multi-valued part of PHI(gi)(r) makes a dominant contribution to the correlation function of the order parameter and leads to an off-diagonal long-range order destruction by thermal fluctuations for three-dimensional superconductors. Possible consequences of long-range order destruction are discussed for type-II superconductors in magnetic field.
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页码：3 / 6
页数：4
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