Generation of γ-photons and pairs with transverse orbital angular momentum via spatiotemporal optical vortex pulse
arxiv(2024)
摘要
We present the generation of well-collimated γ-photons and pairs with
extrinsic transverse orbital angular momentum (TOAM) through the head-on
collision of an intense spatiotemporal optical vortex (STOV) pulse carrying
intrinsic TOAM with a high-energy electron beam. It is found that the TOAM of
STOV pulse remains almost unchanged, and the TOAM is conserved in the
center-of-mass frame (CMF). Moreover, there exhibits duality for particles TOAM
in the CMF and laboratory frame (LF) when the initial location of high-energy
electron beam is different. Furthermore, the TOAM of γ-photons in the
CMF increases while that of positrons decreases as the topological charge of
STOV pulse increases, whereas in the LF, the TOAM of both γ-photons and
positrons decreases. And the result under the same pulse intensity is better
than that under the same pulse energy. The increase in the initial energy of
high-energy electrons leads to an enhancement of the TOAM for both
γ-photons and positrons in both frames. γ-photons and
electrons/positrons with TOAM as a new degree of freedom maybe have an
extensive applications in optical communication, astrophysics and nanomaterials
and so on.
更多查看译文
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要