Phys. Rev. E 61, 972–975 (2000)Stochastic electron gas theory of coherence in laser-driven synchrotron radiationReceived 1 July 1999; revised 15 September 1999; published in the issue dated January 2000 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/doi/10.1103/PhysRevE.61.972
DOI:
10.1103/PhysRevE.61.972
PACS:
41.60.-m, 42.50.Ar, 41.75.Ht, 52.40.Nk
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