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Gravitational and electromagnetic memory

Pujian Mao, Wen-Di Tan

Phys. Rev. D 101, 124015 (2020), 2019

Abstract

We present a unified investigation of memory effect in Einstein-Maxwell theory. We specify two types of memory effect, a velocity kick and a position displacement, by examining the motion of a single free falling charged test particle. Our result recovers the two known gravitational memory effect formulas and the two known electromagnetic memory effect formulas.

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