Work

Quark pairing in sQGP

Year: 2025

Type: conference-paper

Abstract: We obtain a quark pairing gap in sQGP by solving the coupled Dyson-Schwinger equations for quark propagator and quark gluon vertex in the Nambu-Gorkov basis which is widely applied to study the color superconductivity. We acquire a quark pairing gap at small chemical potential which is related to the dimension two gluon condensate and hence, its generation mechanism differs from the conventional color superconducting phase located only at large chemical potential. The gap persists up to $2-3\,T_c$ and vanishes at higher temperature. Such a quark pairing together with a second order phase transition characterizes a partial-deconfined new phase in sQGP and distinct from the phase with quasi quarks and gluons.

DOI: 10.22323/1.483.0145

Authors: Fei Gao, Yi Lu, Yuxin Liu

Institutions: Beijing Institute of Technology, Peking University, State Key Laboratory of Nuclear Physics and Technology

Language: English

Topic: High-Energy Particle Collisions Research

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: gold

OpenAlex ID: W4415520796

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