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Title: Photons, phonons, and plasmons with orbital angular momentum in plasmas

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep41731· OSTI ID:1350537
 [1]; ORCiD logo [2];  [3]
  1. Univ. of Science and Technology of China, Anhui (China); Luoyang Electronic Equipment Testing Center, Luoyang (China)
  2. Univ. of Science and Technology of China, Anhui (China); Princeton Univ., Princeton, NJ (United States)
  3. Univ. of Science and Technology of China, Anhui (China)

Exact eigen modes with orbital angular momentum (OAM) in the complex media of unmagnetized homogeneous plasmas are studied. Three exact eigen modes with OAM are derived, i.e., photons, phonons, and plasmons. The OAM of different plasma components are closely related to the charge polarities. For photons, the OAM of electrons and ions are of the same magnitude but opposite direction, and the total OAM is carried by the field. For the phonons and plasmons, their OAM are carried by the electrons and ions. Lastly, the OAM modes in plasmas and their characteristics can be explored for potential applications in plasma physics and accelerator physics.

Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE
Contributing Organization:
School of Nuclear Science and Technology and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
Grant/Contract Number:
National Natural Science Foundation of China (NSFC-51477182, 11505186, 11575185, 11575186) and ITER-China Program (2015GB111003, 2014GB124005)
OSTI ID:
1350537
Journal Information:
Scientific Reports, Vol. 7; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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