Thermal ensemble of string gas in a magnetic field

Abstract

We study the thermal ensemble of a gas of free strings in presence of a magnetic field. We find that the thermodynamical partition function diverges when the magnetic field exceeds some critical value $B_{\mathrm{cr}}$, which depends on the temperature. We argue that there is a first-order phase transition with a large latent heat. At the critical value an infinite number of states -all states in a Regge trajectory- seem to become massless, which may be an indication of recuperation of spontaneously broken symmetries.

9 pages, 1 figure (fig1.eps, included at the bottom), UTTG-10-94

References in corpus (1)

• String Phase Transitions in a Strong Magnetic Field

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