The tricritical phenomenon in the (λϑ4 + σϑ6)D=3 model

Gino N.J. Añaños and N.F. Svaiter

Physica A: Statistical Mechanics and its Applications, 1997, vol. 241, issue 3, 627-636

Abstract: The thermodynamics of the massive λϑ4 + σϑ6 model is analysed at finite temperature in the two-loop approximation. The behavior of the thermal mass and coupling constant is discussed. We demonstrate in the two-loop approximation the existence of a tricritical point.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:241:y:1997:i:3:p:627-636

DOI: 10.1016/S0378-4371(97)00176-3

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