Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-11-09
Phys.Lett. B504 (2001) 345-355
Physics
High Energy Physics
High Energy Physics - Theory
17 pages LaTeX + 1 figure
Scientific paper
10.1016/S0370-2693(01)00177-0
A generalization of the Coulomb Gas model with modular SL(2, Z)-symmetry allows for a discrete infinity of phases which are characterized by the condensation of dyonic pseudoparticles and the breaking of parity and time reversal. Here we study the phase diagram of such a model by using renormalization group techniques. Then the symmetry SL(2,Z) acting on the two-dimensional parameter space gives us a nested shape of its global phase diagram and all the infrared stable fixed points. Finally we propose a connection with the 2-dimensional Conformal Field Theory description of the Fractional Quantum Hall Effect.
Cristofano Gerardo
Giuliano Domenico
Maiella Giuseppe
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