Experimental observation of relativistic nonlinear Thomson scattering

@article{Chen1998ExperimentalOO,
  title={Experimental observation of relativistic nonlinear Thomson scattering},
  author={Szu-Yuan Chen and Anatoly M. Maksimchuk and Donald Umstadter},
  journal={Nature},
  year={1998},
  volume={396},
  pages={653-655}
}
Classical Thomson scattering — the scattering of low-intensity light by electrons — is a linear process, in that it does not change the frequency of the radiation; moreover, the magnetic-field component of light is not involved. But if the light intensity is extremely high (∼1018 W cm−2), the electrons oscillate during the scattering process with velocities approaching the speed of light. In this relativistic regime, the effect of the magnetic and electric fields on the electron motion should… 
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