Relativistic generalization of the landau criterion as a new foundation of the Vavilov-Cherenkov radiation theory

The relativistic generalization of the Landau criterion is obtained for the determination of threshold conversion of medium elementary Bose-condensed excitation into Cherenkov's photon unbremsstrahlung radiation. In contraposition to classic Vavilov-Cherenkov radiation (VCR) theory, the new VCR...

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Published in:Physical review letters 2004-12, Vol.93 (25), p.254801.1-254801.4, Article 254801
Main Author: CHEFRANOV, S. G
Format: Article
Language:English
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Summary:The relativistic generalization of the Landau criterion is obtained for the determination of threshold conversion of medium elementary Bose-condensed excitation into Cherenkov's photon unbremsstrahlung radiation. In contraposition to classic Vavilov-Cherenkov radiation (VCR) theory, the new VCR theory admits the conditions for effective and direct VCR realization even for high-frequency transverse electromagnetic waves in isotropic plasma.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.93.254801