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Thermodynamics of string field theory motivated nonlocal models

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Abstract

We investigate the thermodynamic properties of the nonlocal tachyon motivated by their nonlocal structure in string field theory. We use previously developed perturbative methods for nonlocal fields to calculate the partition function and the equation of state in the high temperature limit. We find that in these models the tachyons undergo a second order phase transition. We compare our results with those of ordinary scalar field theory. We also calculate the one loop finite temperature effective potential.

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Authors and Affiliations

  1. Department of Physics, Loyola University, St. Charles Avenue, New Orleans, LA, 70118, U.S.A.

    Tirthabir Biswas

  2. School of Physics and Astronomy, University of Minnesota, Church Street, Minneapolis, MN, 55455, U.S.A.

    Joseph I. Kapusta & Abraham Reddy

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  1. Tirthabir Biswas
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  2. Joseph I. Kapusta
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Correspondence to Tirthabir Biswas.

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Biswas, T., Kapusta, J.I. & Reddy, A. Thermodynamics of string field theory motivated nonlocal models. J. High Energ. Phys. 2012, 8 (2012). https://doi.org/10.1007/JHEP12(2012)008

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