Neutral Color Superconductivity Including Inhomogeneous Phases at Finite Temperature

Abstract

We investigate neutral quark matter with homogeneous and inhomogeneous color condensates at finite temperature in the frame of an extended NJL model. By calculating the Meissner masses squared and gap susceptibility, the uniform color superconductor is stable only in a temperature window close to the critical temperature and becomes unstable against LOFF phase, mixed phase and gluonic phase at low temperatures. The introduction of the inhomogeneous phases leads to disappearance of the strange intermediate temperature 2SC/g2SC and changes the phase diagram of neutral dense quark matter significantly.

12 pages, 7 figures. v2: references added, accepted for publication in PRD. V3: Calculation of the neutral LOFF state clarified, typos corrected.

References in corpus (17)

• Chromomagnetic instability in dense quark matter
• Intermediate temperature superfluidity in an atomic Fermi gas with population imbalance
• Pion Condensation in Baryonic Matter: from Sarma Phase to Larkin-Ovchinnikov-Fudde-Ferrell Phase
• LOFF Pairing vs. Breached Pairing in Asymmetric Fermion Superfluids
• Stability conditions and Fermi surface topologies in a superconductor
• Characterizing the Larkin-Ovchinnikov-Fulde-Ferrel phase induced by the chromomagnetic instability
• Finite Temperature Phase Diagram of a Two-Component Fermi Gas with Density Imbalance
• Gluonic phase versus LOFF phase in two-flavor quark matter
• Stable gapless superconductivity at strong coupling
• Instability of a gapless color superconductor with respect to inhomogeneous fluctuations
• Fermion Cooper Pairing with Unequal Masses: Standard Field Theory Approach
• Manifestation of Instabilities in Nambu-Jona-Lasinio type models
• Chromomagnetic instability in two-flavor quark matter at nonzero temperature
• Anomalous specific heat jump in a two-component ultracold Fermi gas
• Meissner screening mass in two-flavor quark matter at nonzero temperature
• Inhomogeneity driven by Higgs instability in gapless superconductor
• Magnetic Stability Analysis for Abelian and Non-Abelian Superconductors

Cited by in corpus (24)

• Color superconductivity in dense quark matter
• BEC-BCS Crossover in the Nambu--Jona-Lasinio Model of QCD
• Equilibrium sequences of non rotating and rapidly rotating crystalline color superconducting hybrid stars
• Vector interaction, charge neutrality and multiple chiral critical point structures
• Number of the QCD critical points with neutral color superconductivity
• Another chiral critical end-point induced by neutral color superconductivity
• Phase diagram of chiral quark matter: Fulde-Ferrell pairing from weak to strong coupling
• Relation Between Chiral Susceptibility and Solutions of Gap Equation in Nambu--Jona-Lasinio Model
• Thermal evolution of massive compact objects with dense quark cores
• Gluonic phases, vector condensates, and exotic hadrons in dense QCD
• Solitonic modulation and Lifshitz point in an external magnetic field within Nambu--Jona-Lasinio model
• Structure of Compact Stars in Pion Superfluid Phase
• Roles of axial anomaly on neutral quark matter with color superconducting phase
• Two-flavor color superconducting quark stars may not exist
• Chiral density wave versus pion condensation in the 1+1 dimensional NJL model
• Consistent regularization and renormalization in models with inhomogeneous phases
• Phase diagram of chiral quark matter: color and electrically neutral Fulde-Ferrell phase
• Color superconductivity with self-consistent NJL-type model
• BCS-BEC crossover in spatially modulated fermionic condensates
• Meissner screening masses in gluonic phase
• Ginzburg-Landau free energy of crystalline color superconductors: A matrix formalism from solid-state physics
• Phase diagram of two-flavor quark matter: Gluonic phase at nonzero temperature
• Dynamical stabilization of runaway potentials and landscape of vacua at finite density
• Pairing fluctuation effects in a strongly coupled color superfluid/superconductor