Higgs instability in gapless superfluidity/superconductivity

2006/06/30 by Ioannis Giannakis, Defu Hou, Mei Huang +1 · 2 citations
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Physics of Superconductivity and Magnetism #Quantum, superfluid, helium dynamics #astro-ph #cond-mat.supr-con #hep-ph #nucl-th

paper · pdf · doi:10.1103/physrevd.75.011501

published as Phys.Rev. D75 (2007) 011501 · 4 pages, 2 figure, one figure added

arxiv created 2006/07/18 · openalex publication_date 2007/01/19 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

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.

Citations

• Collective excitations, instabilities, and the ground state in dense quark matter
• The Meissner effect in a two flavor LOFF color superconductor
• Manifestation of instabilities in Nambu–Jona-Lasinio type models
• Chromomagnetic instability in dense quark matter
• Crystallography of three-flavor quark matter
• Mean-field phase diagrams of imbalanced Fermi gases near a Feshbach resonance

Cited by

• Ground state of gapless two flavor color superconductors
• Formation of gapless phases ofK0condensed color-flavor locked superconducting quark matter