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Quantum electrodynamics vacuum polarization modification of photon acceleration in plasma

Source: Phys. Plasmas 17, 073103 (2010); doi:10.1063/1.3454364

Published 16 July 2010

KEYWORDS and PACS
Keywords
PACS
  • 52.38.Dx
    Laser light absorption in plasmas
  • 52.20.-j
    Elementary processes in plasma
  • 12.20.Fv
    Experimental tests of quantum electrodynamics
  • YEAR: 2010
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PUBLICATION DATA
ISSN:
1553-9601 (online)
Publisher:
AIP is a member of CrossRef AIP
Zhigang Bu1 and Peiyong Ji1,2
1Department of Physics, Shanghai University, Shanghai 200444, China
2The Shanghai Key Laboratory of Astrophysics, Shanghai 200234, China
The modification of photon frequency shifting based on taking into account the nonlinear quantum electrodynamics vacuum properties in plasma is studied. Motion equations of a laser field propagating in a plasma are derived from the Heisenberg–Euler Lagrangian density. It is found that besides the classical density perturbation of the plasma electrons, the energy density perturbation of the laser field will induce the frequency shifting via the ponderomotive force of the laser field on the vacuum. In addition it is shown that the electron density will be suppressed, which is attributed to a screening effect on the plasma electrons via the quantum vacuum polarization. ©2010 American Institute of Physics
History: Received 10 March 2010; accepted 3 May 2010; published 16 July 2010
Permalink: http://link.aip.org/link/?PHPAEN/17/073103/1

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