High Energy Physics - Phenomenology
[Submitted on 30 Aug 2007]
Title:Non-Abelian Global Strings at Chiral Phase Transition
View PDFAbstract: We construct non-Abelian global string solutions in the U(N)_L x U(N)_R linear sigma model. These strings are the most fundamental objects which are expected to form during the chiral phase transitions, because the Abelian eta' string is marginally decomposed into N of them. We point out Nambu-Goldstone modes of CP^{N-1} for breaking of U(N)_V arise around a non-Abelian vortex.
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