A Two-Dimensional Model with Chiral Condensates and Cooper Pairs Having QCD-like Phase Structure
Alan Chodos, Hisakazu Minakata, Fred Cooper, Anupam Singh, Wenjin Mao
Abstract
We describe how a generalization of the original Gross-Neveu model from U(N) to O(N) flavor symmetry leads to the appearance of a pairing condensate at high density, in agreement with the conjectured phenomenon of color superconductivity in (3+1)-dimensional QCD. Moreover, the model displays a rich phase structure which closely resembles the one expected in two-flavor QCD.
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