Dynamics of emitting electrons in strong laser fields

Sokolov, Igor V.; Naumova, Natalia M.; Nees, John A.; Mourou, Gérard A.; Yanovsky, Victor P.
September 2009
Physics of Plasmas;Sep2009, Vol. 16 Issue 9, p093115
Academic Journal
A new derivation of the motion of a radiating electron is given, leading to a formulation that differs from the Lorentz–Abraham–Dirac equation and its published modifications. It satisfies the proper conservation laws. Particularly, it conserves the generalized momentum, eliminating the symmetry-breaking runaway solution. The equation allows a consistent calculation of the electron current, the radiation effect on the electron momentum, and the radiation itself, for a single electron or plasma electrons in strong electromagnetic fields. The equation is then applied to a simulation of a strong laser pulse interaction with a plasma target. Some analytical solutions are also provided.


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