New estimation of the curvature effect for the X-ray vacuum diffraction induced by an intense laser field

@article{Seino2020NewEO,
  title={New estimation of the curvature effect for the X-ray vacuum diffraction induced by an intense laser field},
  author={Yoshiaki Seino and T. Inada and Tomohiro Yamazaki and Toshio Namba and Shoji Asai},
  journal={Progress of Theoretical and Experimental Physics},
  year={2020}
}
  • Y. Seino, T. Inada, S. Asai
  • Published 28 November 2019
  • Physics
  • Progress of Theoretical and Experimental Physics
Quantum electrodynamics predicts X-ray diffractions under a high-intensity laser field via virtual charged particles, and this phenomenon is called vacuum diffraction (VD). In this paper, we derive a new formula to describe VD in a head-on collision geometry of an X-ray free-electron laser (XFEL) pulse and a laser pulse. The wavefront curvature of the XFEL pulse is newly considered in this formula. With this formula, we also discuss the curvature effect on VD signals based on realistic… 
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