NLO Scattering in ϕ 4 Theory Finite System Size Corrections Self-Consistency
Abstract Previously a 2 → 2 NLO scattering amplitude for massive ϕ 4 theory with periodic boundary conditions was derived to investigate finite system size effects. This utilized new techniques and results, and as such benefited from self-consistency checks. Here we revisit the self-consistency of t...
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| Published in | Journal of physics. Conference series Vol. 2586; no. 1; pp. 12021 - 12024 |
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| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
IOP Publishing
01.09.2023
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| Online Access | Get full text |
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| Summary: | Abstract
Previously a 2 → 2 NLO scattering amplitude for massive
ϕ
4
theory with periodic boundary conditions was derived to investigate finite system size effects. This utilized new techniques and results, and as such benefited from self-consistency checks. Here we revisit the self-consistency of the derived amplitude, in order to more rigorously establish the self-consistency. Special attention is given to potentially pathological sums, which sets up for numerical evaluation investigating the finite system effects on quantities of interest, such as the effective coupling. |
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| ISSN: | 1742-6588 1742-6596 |
| DOI: | 10.1088/1742-6596/2586/1/012021 |