Complex effective actions and gravitational pair creation

2024/07/09 by Akhmedov, E. T., Diakonov, D. V., Schubert, C. · 3 citations
#FOS: Physical sciences #High Energy Physics - Theory (hep-th)

paper · doi:10.48550/arxiv.2407.06601

Abstract

We use different methods to calculate the imaginary part of the gravitational effective action due to a massless scalar field, with a view on perturbative vs. non-pertubative and the results of ArXiv:2305.18521.

Cited by

• Conformally-flat gravitational analogues to the Schwinger effect
• Strong-field regime within effective field theory
• Particle creation in a cosmological background in analogy to the Schwinger effect

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