Magnetic Field Generation through Angular Momentum Exchange between Circularly Polarized Radiation and Charged Particles

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Description

The interaction between circularly polarized (CP) radiation and charged particles can lead to generation of magnetic field through an inverse Faraday effect. The spin of the circularly polarized electromagnetic wave can be converted into the angular momentum of the charged particles so long as there is dissipation. We demonstrate this by considering two mechanisms of angular momentum absorption relevant for laser-plasma interactions: electron-ion collisions and ionization. The precise dissipative mechanism, however, plays a role in determining the efficiency of the magnetic field generation.

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362 Kilobytes pages

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Shvets, G.; Fisch, N.J. & Rax, J.-M. January 18, 2002.

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Description

The interaction between circularly polarized (CP) radiation and charged particles can lead to generation of magnetic field through an inverse Faraday effect. The spin of the circularly polarized electromagnetic wave can be converted into the angular momentum of the charged particles so long as there is dissipation. We demonstrate this by considering two mechanisms of angular momentum absorption relevant for laser-plasma interactions: electron-ion collisions and ionization. The precise dissipative mechanism, however, plays a role in determining the efficiency of the magnetic field generation.

Physical Description

362 Kilobytes pages

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INIS; OSTI as DE00793029

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  • Other Information: PBD: 18 Jan 2002

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  • Report No.: PPPL-3654
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/793029 | External Link
  • Office of Scientific & Technical Information Report Number: 793029
  • Archival Resource Key: ark:/67531/metadc742600

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 18, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • April 15, 2016, 9:27 p.m.

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Shvets, G.; Fisch, N.J. & Rax, J.-M. Magnetic Field Generation through Angular Momentum Exchange between Circularly Polarized Radiation and Charged Particles, report, January 18, 2002; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc742600/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.