Journal
PHYSICAL REVIEW D
Volume 101, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.101.096001
Keywords
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Funding
- NSF [PHY-1515446, PHY-1913010]
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We analyze the Gross-Neveu model in the limit of large number of flavors of massless fermions. We study the phase diagram in a two and three dimensional periodic box at a fixed thermal to spatial aspect ratio, beta/l with a flavor independent chemical potential. We assume the bilinear condensate, when one exists, has a specific momentum in the spatial direction(s). The main known features of the phase diagram in the l -> infinity limit of the two dimensional model are also seen on a finite l x beta torus-a phase with a homogeneous (zero momentum) condensate; a phase with an inhomogeneous (nonzero momentum) condensate and a phase with no condensate. We observe that the inhomogeneous phase contains several subphases characterized by a specific spatial momentum. Unlike the two dimensional model, we do not find evidence for a phase with a inhomogeneous condensate in the three dimensional model.
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