Electron spin polarization in realistic trajectories around the magnetic node of two counter-propagating, circularly polarized, ultra-intense lasers

Del Sorbo, D. and Seipt, Daniel and Thomas, Alexander George Roy and Ridgers, C. P. (2018) Electron spin polarization in realistic trajectories around the magnetic node of two counter-propagating, circularly polarized, ultra-intense lasers. Plasma Physics and Controlled Fusion, 60: 064003. pp. 1-8. ISSN 0741-3335

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Abstract

It has recently been suggested that two counter-propagating, circularly polarized, ultra-intense lasers can induce a strong electron spin polarization at the magnetic node of the electromagnetic field that they setup (Del Sorbo et al 2017 Phys. Rev. A 96 043407). We confirm these results by considering a more sophisticated description that integrates over realistic trajectories. The electron dynamics is weakly affected by the variation of power radiated due to the spin polarization. The degree of spin polarization differs by approximately 5% if considering electrons initially at rest or already in a circular orbit. The instability of trajectories at the magnetic node induces a spin precession associated with the electron migration that establishes an upper temporal limit to the polarization of the electron population of about one laser period.

Item Type:
Journal Article
Journal or Publication Title:
Plasma Physics and Controlled Fusion
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2100/2104
Subjects:
?? nuclear energy and engineeringcondensed matter physics ??
ID Code:
125197
Deposited By:
Deposited On:
16 May 2018 12:56
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 17:49