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Vortices and the Ginzburg-Landau phase transition

机译:涡旋和金茨堡-朗道相变

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摘要

The methods for studying the role of vortex loops in the phase transition of the Ginzburg-Landau theory of superconductivity using lattice Monte Carlo simulations are discussed. Gauge-invariant observables that measure the properties of the vortex loop distribution are defined. The exact relations between the lattice and continuum quantities make it possible to extrapolate the results of the simulations to the continuum limit. The relationship between spontaneous symmetry breaking and phase transitions is also reviewed, with an emphasis on the fact that a local symmetry cannot be broken. (C) 1998 Elsevier Science B.V. All rights reserved. [References: 32]
机译:讨论了使用晶格蒙特卡洛模拟研究涡环在金兹堡-朗道超导理论的相变中的作用的方法。定义了测量涡旋分布分布特性的量规不变观测值。晶格和连续体数量之间的精确关系使得可以将模拟结果外推到连续体极限。还回顾了自发对称破坏和相变之间的关系,重点是不能破坏局部对称的事实。 (C)1998 Elsevier Science B.V.保留所有权利。 [参考:32]

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