Abstract
We find a general expression for a one-loop effective potential of an arbitrary massless theory with accuracy up to terms linear in two-dimensional invariants. The potential is constructed from the metric and the torsion. We show that spontaneous symmetry breaking can occur in the form of a first-order phase transition induced jointly by the curvature and the torsion.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 3–9, March, 1987.
The authors are grateful to I. V. Tyutin and E. S. Fradkin for discussion.
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Bukhbinder, I.L., Odintsov, S.D. & Shapiro, I.L. Calculation of an effective potential in an external gravitational field with torsion and phase transitions induced by external fields. Soviet Physics Journal 30, 183–187 (1987). https://doi.org/10.1007/BF00897849
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DOI: https://doi.org/10.1007/BF00897849