Instanton calculations using dimensional regularisation
- 1 November 1978
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 11 (11), 2285-2304
- https://doi.org/10.1088/0305-4470/11/11/013
Abstract
Dimensional regularisation is used to calculate the determinant of small oscillations about instanton solutions in g( phi 4)4 field theories with g2N theories (g<0). The high-order estimates obtained agree with those of Lipatov (1977) and Brezin et al. (1977).Keywords
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