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New electromagnetic memories and soft photon theorems

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arxiv 1703.06588 v2 pith:2EDGHPMJ submitted 2017-03-20 hep-th

classification hep-th
keywords electromagneticmemorydisplacementfindmodenullphotonradiation
verification ladder T0 review T1 audit T2 compute T3 formal
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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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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Logarithmic Soft Photon Theorem and Waveform Tails in Higher Dimensions

    hep-th 2026-08 conditional novelty 7.0 of 10

    In d>4, soft photon emission acquires a universal omega^{d-4} ln omega factor, producing power-law early- and late-time radiative tails in the classical electromagnetic waveform.

  2. Testing Electromagnetic Memory via Acceleration-Induced Phase Imprints in Superconductors

    hep-ph 2025-11 unverdicted novelty 6.0 of 10

    Proposes a superconducting readout protocol that uses acceleration-induced electric fields in conductors to imprint and detect electromagnetic memory phase shifts.

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