Two aspects of color superconductivity: gauge independence and neutrality
classification
✦ hep-ph
keywords
colorgaugeneutralitysuperconductoracquiresaspectsdispersionelectric
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A formal proof is given that the fermionic quasiparticle dispersion laws in a color superconductor are gauge independent. It is shown that the gluon (photon) field acquires a non-vanishing expectation value in a color superconductor, which is related to color (electric) neutrality.
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