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Finite temperature Cornwall-Jackiw-Tomboulis formalism of Φ6 theory

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Abstract

The finite temperature effective potential for a scalar field with Φ6 interaction is calculated by extending the CJT formalism for composite operators. It is found that unrenormalized terms appear in the effective potential due to the presence of an unrenormalized mass term. Nonzero turning points are obtained both for positive and negativeλ. High temperature expansion is performed and the results are analysed numerically. Graphical analysis indicates symmetry restoration whenT→0.

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Authors and Affiliations

  1. Department of Physics, Cochin University of Science and Technology, 682 002, Kochi, India

    K P Satheesh & K Babu Joseph

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  1. K P Satheesh
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  2. K Babu Joseph
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Satheesh, K.P., Joseph, K.B. Finite temperature Cornwall-Jackiw-Tomboulis formalism of Φ6 theory. Pramana - J Phys 50, 133–148 (1998). https://doi.org/10.1007/BF02847524

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  • DOI: https://doi.org/10.1007/BF02847524

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