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High Energy Physics - Theory

arXiv:2108.00835 (hep-th)
[Submitted on 2 Aug 2021 (v1), last revised 16 Jun 2022 (this version, v2)]

Title:Effect of small cosmological constant on electromagnetic memory effect

Authors:Sayali Atul Bhatkar
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Abstract:We consider a generic scattering process that takes place in a region of size R inside the static patch of the de Sitter spacetime such that R is smaller than the curvature length scale of the background. The effect of curvature can thus be studied perturbatively. We obtain the asymptotic electromagnetic field generated by the scattering process including the leading order correction due to the presence of de Sitter background and discuss its universal aspects. We finally caculate the resultant first order corrections to the flat spacetime velocity memory effect.
Comments: Minor rearrangement of matter (All results unchanged)
Subjects: High Energy Physics - Theory (hep-th); General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:2108.00835 [hep-th]
  (or arXiv:2108.00835v2 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.2108.00835
Journal reference: Phys. Rev. D 105, 124028 - June 2022

Submission history

From: Sayali Bhatkar [view email]
[v1] Mon, 2 Aug 2021 12:46:05 UTC (62 KB)
[v2] Thu, 16 Jun 2022 06:43:30 UTC (63 KB)
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