Derives covariant Cherenkov radiation formula and orthogonal four-force friction, with emission spectrum set by medium dielectric properties, hinting at explanation for soft photon excess in hadron collisions.
Lienard-Wiechert potentials for charged tachyons and several remarks on the tachyon Cherenkov radiation
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abstract
The Lienard-Wiechert potentials for charged tachyons are deduced in this note. They turn out to be twice as large as compared to the corresponding potentials for ordinary particles. Several remarks are made on tachyon Cherenkov radiation and its intensity. In particular, it follows in a straightforward way from the derivation of the Lienard-Wiechert potentials that the tachyon Cherenkov radiation angle obeys the same formula as that for ordinary particles.
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2026 1verdicts
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Covariant Cherenkov Radiation and its Friction Force
Derives covariant Cherenkov radiation formula and orthogonal four-force friction, with emission spectrum set by medium dielectric properties, hinting at explanation for soft photon excess in hadron collisions.