We show that there are two mechanisms responsible for the net energy exchange between an intense pulsed laser and an electron in vacuum,namely,stimulated Compton scattering and nonlinear Compton scattering(NLCS).For N...We show that there are two mechanisms responsible for the net energy exchange between an intense pulsed laser and an electron in vacuum,namely,stimulated Compton scattering and nonlinear Compton scattering(NLCS).For NLCS,being the only effect in a mono-frequency continuous laser beam,its contribution is also indepen dently determined.The characteristics of these two mechanisms in connection with the net energy exchange are studied.For the case of a pulsed laser field,it is found that the maximum net energy exchange by NLCS is approximately proportional to Q_(0)^(2)(Q_(0)≡eE_(0)/(meωc))for Q_(0)~>100.In addition,the relative importance of these two mechanisms to the net energy exchange at different intensities is explored.展开更多
基金Supported in part by the National Natural Science Foundation of China under Grant No.19684001,the National High-Tech ICP Committee in China,and the Science and Technology Funds of the China Academy of Engineering and Physics.
文摘We show that there are two mechanisms responsible for the net energy exchange between an intense pulsed laser and an electron in vacuum,namely,stimulated Compton scattering and nonlinear Compton scattering(NLCS).For NLCS,being the only effect in a mono-frequency continuous laser beam,its contribution is also indepen dently determined.The characteristics of these two mechanisms in connection with the net energy exchange are studied.For the case of a pulsed laser field,it is found that the maximum net energy exchange by NLCS is approximately proportional to Q_(0)^(2)(Q_(0)≡eE_(0)/(meωc))for Q_(0)~>100.In addition,the relative importance of these two mechanisms to the net energy exchange at different intensities is explored.
