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Presents new electromagnetic memory effects related to position displacement in charged particles, indicating novel theoretical implications.
In this paper, we present a new type of electromagnetic memory. It is a ``magnetic'' type, or B mode, radiation memory effect. Rather than a residual velocity, we find a position displacement of a charged particle induced by the B mode radiation with memory. We find two types of electromagnetic displacement (ordinary and null). We also show that the null electromagnetic memory formulas are nothing but a Fourier transformation of soft photon theorems.
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Mao et al. (2017) studied this question.
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