Phys. Rev. D 75, 011501(R) (2007) [5 pages]
Higgs instability in gapless superfluidity/superconductivity
Abstract
References (24)
Citing Articles
Ioannis Giannakis, 1 Defu Hou, 2 Mei Huang, 3,4 and Hai-cang Ren1,21Physics Department, The Rockefeller University, 1230 York Avenue, New York, New York 10021-6399, USA
2Institute of Particle Physics, Huazhong Normal University, Wuhan 430079, China
3Physics Department, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
4Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China
Received 18 July 2006; published 19 January 2007
In this letter we explore the Higgs instability in the gapless superfluid/superconducting phase. This is in addition to the (chromo)magnetic instability that is related to the fluctuations of the Nambu-Goldstone bosonic fields. While the latter may induce a single-plane-wave Larkin-Ovchinnikov-Fulde-Ferrel state, the Higgs instability favors spatial inhomogeneity. In the case of the 2-flavor color superconductivity state the Higgs instability can only be partially removed by the electric Coulomb energy. But this does not exclude the possibility that it can be completely removed in other exotic states such as the gapless color-flavor locked state.
©2007 The American Physical Society
| URL: |
http://link.aps.org/doi/10.1103/PhysRevD.75.011501
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| DOI: |
10.1103/PhysRevD.75.011501 |
| PACS: |
12.38.Aw;
26.60.+c
|
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