Generalized surface current method in the macroscopic theory of diffraction radiation

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Abstract

The surface current method known in the theory of electromagnetic waves diffraction has been generalized to be applied to the problems of diffraction radiation generated by a charged particle moving nearby an ideally-conducting screen in vacuum. An expression for induced surface current density leading to the exact results in the theory of transition radiation has been derived, and by using this expression several exact solutions of diffraction radiation problems are found. Limits of applicability for the earlier known models based on the surface current conception are indicated. Properties of radiation from a semi-plane and from a slit in cylinder are investigated at the various distances to observer. Crown

Original languageEnglish
Pages (from-to)1988-1996
Number of pages9
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume373
Issue number22
DOIs
Publication statusPublished - 11 May 2009

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diffraction radiation
wave diffraction
radiation
slits
electromagnetic radiation
charged particles
current density
conduction
vacuum

Keywords

  • Diffraction radiation
  • Pre-wave zone effect
  • Surface current
  • Transition radiation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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abstract = "The surface current method known in the theory of electromagnetic waves diffraction has been generalized to be applied to the problems of diffraction radiation generated by a charged particle moving nearby an ideally-conducting screen in vacuum. An expression for induced surface current density leading to the exact results in the theory of transition radiation has been derived, and by using this expression several exact solutions of diffraction radiation problems are found. Limits of applicability for the earlier known models based on the surface current conception are indicated. Properties of radiation from a semi-plane and from a slit in cylinder are investigated at the various distances to observer. Crown",
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T1 - Generalized surface current method in the macroscopic theory of diffraction radiation

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AU - Potylitsyn, A. P.

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N2 - The surface current method known in the theory of electromagnetic waves diffraction has been generalized to be applied to the problems of diffraction radiation generated by a charged particle moving nearby an ideally-conducting screen in vacuum. An expression for induced surface current density leading to the exact results in the theory of transition radiation has been derived, and by using this expression several exact solutions of diffraction radiation problems are found. Limits of applicability for the earlier known models based on the surface current conception are indicated. Properties of radiation from a semi-plane and from a slit in cylinder are investigated at the various distances to observer. Crown

AB - The surface current method known in the theory of electromagnetic waves diffraction has been generalized to be applied to the problems of diffraction radiation generated by a charged particle moving nearby an ideally-conducting screen in vacuum. An expression for induced surface current density leading to the exact results in the theory of transition radiation has been derived, and by using this expression several exact solutions of diffraction radiation problems are found. Limits of applicability for the earlier known models based on the surface current conception are indicated. Properties of radiation from a semi-plane and from a slit in cylinder are investigated at the various distances to observer. Crown

KW - Diffraction radiation

KW - Pre-wave zone effect

KW - Surface current

KW - Transition radiation

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