PMID: 11909391Mar 23, 2002Paper

Spontaneous symmetry breaking with abnormal number of Nambu-Goldstone bosons and kaon condensate

Physical Review Letters
V A Miransky, I A Shovkovy

Abstract

We describe a class of relativistic models incorporating a finite density of matter in which spontaneous breakdown of continuous symmetries leads to a lesser number of Nambu-Goldstone bosons than that required by the Goldstone theorem. This class, in particular, describes the dynamics of the kaon condensate in the color-flavor locked phase of high density QCD. We describe the spectrum of low energy excitations in this dynamics and show that, despite the presence of a condensate and gapless excitations, this system is not a superfluid.

References

Oct 15, 1990·Physical Review. D·A ChodosD A Owen
Jan 3, 2001·Physical Review Letters·T Schäfer

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Citations

Mar 19, 2013·Physical Review Letters·Yoshimasa Hidaka
Aug 7, 2007·Physical Review Letters·F Paul EspositoL C R Wijewardhana
Jun 6, 2003·Physical Review Letters·Michael BuballaMicaela Oertel
May 21, 2013·Physical Review Letters·Haruki Watanabe, Hitoshi Murayama
Jul 31, 2013·Physical Review Letters·Haruki WatanabeHitoshi Murayama
Mar 6, 2021·Physical Review Letters·Yoshimasa HidakaRyo Yokokura

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