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Letters to the editors


On the Hartman paradox, electromagnetic wave tunneling, and supraluminal velocities (comment on “Tunneling of electromagnetic waves: paradoxes and prospects” by A B Shvartsburg)


Chernyshevskii Saratov State University, ul. Astrakhanskaya 83, Saratov, 410071, Russian Federation

Some paradoxes are discussed concerning the interpretation of the passage of particles and electromagnetic waves (pulses) across potential barriers and through nonuniform media, in particular, those with frequency dispersion and therefore dissipation. It is emphasized that a rigorous nonstationary approach does not entail any supraluminal velocities for the transfer of physical substances, although supraluminal velocities are indeed possible for several kinematically defined velocities, e.g., for the group velocity.

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Fulltext is also available at DOI: 10.3367/UFNe.0179.200904o.0443
PACS: 03.65.Xp, 42.25.Bs (all)
DOI: 10.3367/UFNe.0179.200904o.0443
URL: https://ufn.ru/en/articles/2009/4/m/
000268782400013
2-s2.0-68249158296
2009PhyU...52..415D
Citation: Davidovich M V "On the Hartman paradox, electromagnetic wave tunneling, and supraluminal velocities (comment on "Tunneling of electromagnetic waves: paradoxes and prospects" by A B Shvartsburg)" Phys. Usp. 52 415 (2009)
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Оригинал: Давидович М В «О парадоксе Хартмана, туннелировании электромагнитных волн и сверхсветовых скоростях (отклик на статью Шварцбурга А.Б. "Туннелирование электромагнитных волн — парадоксы и перспективы")» УФН 179 443 (2009); DOI: 10.3367/UFNr.0179.200904o.0443

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