A note on color neutrality in NJL-type models

Details A note on color neutrality in NJL-type models A note on color neutrality in NJL-type models

2005-08-18

arxiv.org/abs/hep-ph/0508197v2

Phys.Rev. D72 (2005) 097501

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, no figure; v2: minor clarifications, references added

Scientific paper

10.1103/PhysRevD.72.097501

By referring to the underlying physics behind the color charge neutrality condition in quark matter, we discuss how this condition should be properly imposed in NJL-type models in a phenomenologically meaningful way. In particular, we show that the standard assumption regarding the use of two color chemical potentials, chosen in a very special way, is not justified in general. When used uncritically, such an approach leads to wrong or unphysical conclusions.

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