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Towards a phase diagram of the 2D Skyrme model
O. Schwindt and N. R. WaletDepartment of Physics, UMIST - P.O. Box 88, Manchester, M60 1QD, UK schwindt@theory.phy.umist.ac.uk
Niels.Walet@umist.ac.uk
(Received 24 April 2000; accepted in final form 26 June 2001)
Abstract
We discuss calculations of the phase diagram of the baby Skyrme model,
a two-dimensional version of the model that has been so successful in
the description of baryons. Contact is made with the sine-Gordon model
in 1D, and relations with the Skyrme model used in the quantum-Hall
effect are pointed out. It is shown that at finite temperature the
phase diagram is dominated by a liquid, and not by the crystal that
plays a role for zero temperature.
12.39.Dc - Skyrmions.
73.43.-f - Quantum Hall effects.
05.10.-a - Computational methods in statistical physics and nonlinear dynamics.
© EDP Sciences 2001