Absence of the London limit for the first-order phase transition to a color superconductor
作者： Jorge L. Noronha , Hai-cang Ren , Ioannis Giannakis , Defu Hou , Dirk H. Rischke
DOI: 10.1103/PHYSREVD.73.094009
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摘要: We study the effects of gauge-field fluctuations on free energy density a homogeneous color superconductor in color-flavor-locked (CFL) phase. Gluonic induce strong first-order phase transition, contrast to electronic superconductors where this transition is weakly first order. The critical temperature for larger than one corresponding diquark pairing instability. physical reason that gluonic Meissner masses suppress long-wavelength as compared normal conducting gluons are massless, which stabilizes superconducting In weak coupling, we analytically compute temperatures associated with limits metastability and phases, well latent heat transition. then extrapolate our results intermediate densities numerically evaluate fluctuation-induced discontinuity condensate at point. find London limit magnetic interactions absent superconductivity.
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