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Equilibrium and nonequilibrium properties associated with the chiral phase transition at finite density in the Gross-Neveu Model
A. Chodos, F. Cooper, W. Mao +1
We study the dynamics of the chiral phase transition at finite density in the Gross-Neveu (GN) model in the leading order in large-N approximation. The phase structure of the GN mo…
A Two-Dimensional Model with Chiral Condensates and Cooper Pairs Having QCD-like Phase Structure
Alan Chodos, Hisakazu Minakata, Fred Cooper +2
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 w…
Dynamics of the chiral phase transition at finite chemical potential
Alan Chodos, Fred Cooper, Anupam Singh +1
We study the dynamics of the chiral phase transition at finite chemical potential in the Gross-Neveu model in the leading order in large-N approximation. We consider evolutions sta…
Resumming the large-N approximation for time evolving quantum systems
Bogdan Mihaila, Fred Cooper, John F. Dawson
In this paper we discuss two methods of resumming the leading and next to leading order in 1/N diagrams for the quartic O(N) model. These two approaches have the property that they…
Exact and approximate dynamics of the quantum mechanical O(N) model
Bogdan Mihaila, Tara Athan, Fred Cooper +2
We study a quantum dynamical system of N, O(N) symmetric, nonlinear oscillators as a toy model to investigate the systematics of a 1/N expansion. The closed time path (CTP) formali…