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Phys. Rev. E 61, 972 - 975 (2000)

Stochastic electron gas theory of coherence in laser-driven synchrotron radiation

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F. V. Hartemann
Institute for Laser Science and Applications, Lawrence Livermore National Laboratory, Livermore, California 94550

Received 1 July 1999; revised 15 September 1999

The transition from coherent to incoherent laser-driven synchrotron radiation is studied within the framework of a stochastic electron gas model. The fundamental difference between this approach and a relativistic fluid model resides in the fact that, for any number of incoherently phased point electrons, the 4-current contains Fourier components at arbitrarily short wavelengths, whereas the fluid model introduces an unphysical cutoff scale.


©2000 The American Physical Society

URL: http://link.aps.org/abstract/PRE/v61/p972
DOI: 10.1103/PhysRevE.61.972
PACS: 41.60.-m, 42.50.Ar, 41.75.Ht, 52.40.Nk

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