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The Cherenkov effect in Lorentz-violating vacua

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arxiv hep-ph/0408285 v1 pith:TESYUMCQ submitted 2004-08-25 hep-ph

Ralf Lehnert , Robertus Potting This is my paper · ORCID
classification hep-ph
keywords effectcherenkovlorentz-violatingradiationanalysisback-reactionchargecharges
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The emission of electromagnetic radiation by charges moving uniformly in a Lorentz-violating vacuum is studied. The analysis is performed within the classical Maxwell-Chern-Simons limit of the Standard-Model Extension (SME) and confirms the possibility of a Cherenkov-type effect. In this context, various properties of Cherenkov radiation including the rate, polarization, and propagation features, are discussed, and the back-reaction on the charge is investigated. An interpretation of this effect supplementing the conventional one is given. The emerging physical picture leads to a universal methodology for studying the Cherenkov effect in more general situations.

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Cited by 3 Pith papers

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

  1. Revisiting Cherenkov radiation in anisotropic chiral matter: exact calculation reveals threshold-free emission

    hep-ph 2026-06 unverdicted novelty 7.0 of 10

    Exact solution of modified Maxwell equations in a position-dependent axion model reveals threshold-free Cherenkov emission for slow charges within specific frequencies, unlike standard materials.

  2. Cherenkov radiation in isotropic chiral matter: the space-frequency domain

    hep-ph 2025-07 conditional novelty 7.0 of 10

    A charge moving through chiral matter radiates Cherenkov light in two independent polarization modes, one of which can radiate at sub-luminal speeds.

  3. Scattering Amplitudes and Resonant Processes in QED with Chiral Chemical Potential and Chiral Magnetic Conductivity

    hep-ph 2026-06 unverdicted novelty 5.0 of 10

    QED scattering amplitudes in a chiral medium with constant μ5 and b0 exhibit resonant behavior in multiple processes, with computed rates for 1→2 processes determining widths of fermion and photon states.

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