Generalized pions in dense QCD

Mannque Rho; Andreas Wirzba; Ismail Zahed

doi:10.1016/S0370-2693(99)01420-3

Generalized pions in dense QCD

Mannque Rho
, Andreas Wirzba
, Ismail Zahed

Physics and Astronomy

CEA Saclay
Stony Brook University
Jülich Research Centre

Research output: Contribution to journal › Article › peer-review

73 Scopus citations

Abstract

QCD superconductors in the color-flavor-locked (CFL) phase sustain light Goldstone modes (that will be referred to as generalized pions) that can be described as pairs of particle and/or hole excitations around a gapped Fermi surface. In weak coupling and to leading logarithm accuracy, their form factor, mass and decay constant can be evaluated exactly. These modes are found to satisfy an axial-Ward-identity, constraining the mass of the Goldstone modes in the CFL phase. (C) 2000 Elsevier Science B.V.

Original language	English
Pages (from-to)	126-135
Number of pages	10
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	473
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(99)01420-3
State	Published - Jan 27 2000

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abstract = "QCD superconductors in the color-flavor-locked (CFL) phase sustain light Goldstone modes (that will be referred to as generalized pions) that can be described as pairs of particle and/or hole excitations around a gapped Fermi surface. In weak coupling and to leading logarithm accuracy, their form factor, mass and decay constant can be evaluated exactly. These modes are found to satisfy an axial-Ward-identity, constraining the mass of the Goldstone modes in the CFL phase. (C) 2000 Elsevier Science B.V.",

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AU - Wirzba, Andreas

AU - Zahed, Ismail

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N2 - QCD superconductors in the color-flavor-locked (CFL) phase sustain light Goldstone modes (that will be referred to as generalized pions) that can be described as pairs of particle and/or hole excitations around a gapped Fermi surface. In weak coupling and to leading logarithm accuracy, their form factor, mass and decay constant can be evaluated exactly. These modes are found to satisfy an axial-Ward-identity, constraining the mass of the Goldstone modes in the CFL phase. (C) 2000 Elsevier Science B.V.

AB - QCD superconductors in the color-flavor-locked (CFL) phase sustain light Goldstone modes (that will be referred to as generalized pions) that can be described as pairs of particle and/or hole excitations around a gapped Fermi surface. In weak coupling and to leading logarithm accuracy, their form factor, mass and decay constant can be evaluated exactly. These modes are found to satisfy an axial-Ward-identity, constraining the mass of the Goldstone modes in the CFL phase. (C) 2000 Elsevier Science B.V.

UR - https://www.scopus.com/pages/publications/0034719307

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DO - 10.1016/S0370-2693(99)01420-3

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SN - 0370-2693

VL - 473

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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ER -

Generalized pions in dense QCD

Abstract

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