Influence of external magnetic field, finite-size effects and chemical potential on the phase transition of a complex scalar field
European Physical Journal C(2017)
Abstract
A scalar model is built, as a quantum field theory defined on a toroidal topology, to describe a phase transition in films subjected to periodic boundary conditions and influenced by an external and constant magnetic field. Criticality is studied and the relations between the critical temperature, the film thickness, the magnetic field strength and the chemical potential are investigated. Since the model describes a second-order phase transition a comparison with the Ginzburg–Landau theory is made.
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Key words
external magnetic field,magnetic field,phase transition,chemical potential,finite-size
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