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- Title
Soft theorems and memory effects at finite temperatures.
- Authors
Solanki, Divyesh N.; Bhattacharjee, Srijit
- Abstract
We study the soft theorems for photons and gravitons at finite temperatures using the thermofield dynamics approach. The soft factors lose universality at finite temperatures as the soft amplitudes depend on the nature (or spin) of the particles participating in the scattering processes. However, at low temperatures, a universal behavior is observed in the cross-section of the soft processes. Further, we obtain the thermal contribution to the electromagnetic and gravitational memory effects and show that they are related to the soft factors consistently. The expected zero temperature results are obtained from the soft factors and memories. The thermal effects in soft theorems and memories seem to be sensitive to the spin of the particles involved in scattering.
- Subjects
TEMPERATURE effect; GRAVITONS; GRAVITATIONAL effects; PARTICLE spin; LOW temperatures; MEMORY
- Publication
European Physical Journal C -- Particles & Fields, 2023, Vol 83, Issue 12, p1
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-023-12335-8