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Generation of charge currents and magnetic pulses
Journal of Physics B: Atomic, Molecular and Optical Physics ( IF 1.5 ) Pub Date : 2020-09-24 , DOI: 10.1088/1361-6455/abb258
Sonia Lumb 1 , Shalini Lumb Talwar 2 , Vinod Prasad 3
Affiliation  

The generation of charge currents and hence induced magnetic field in a spherically bound hydrogen atom by an ultrafast right circularly polarized laser pulse has been studied. The atom is assumed to be under the effect of a Hulthén plus a ring-shaped potential. The simultaneous effect of pulse parameters such as E l 0 , t p and ω 0 , the cavity radius, r 0 , and parameters related to the non-central potential has been investigated. These parameters have been found to significantly affect the magnitude of generated current as well as the magnetic field and thus play an important role in determining the response of the system to external laser. The laser pulse is found to produce femtosecond magnetic pulses. Such magnetic pulses have many biomedical applications. Hulthén screening or ring deformation potential reduces the magnitude of current and induced magnetic field for an unbounded atom. On the other ...

中文翻译:

产生充电电流和电磁脉冲

已经研究了通过超快右圆偏振激光脉冲在球形结合的氢原子中产生电荷电流以及由此产生的感应磁场。假定该原子受Hulthén加环形势的影响。研究了脉冲参数(例如E l 0,tp和ω0,腔半径r 0以及与非中心电位有关的参数)的同时影响。已经发现这些参数会显着影响所产生电流的大小以及磁场,因此在确定系统对外部激光器的响应中起着重要作用。发现激光脉冲产生飞秒磁脉冲。这种磁脉冲具有许多生物医学应用。Hulthén屏蔽或环变形电势降低了无界原子的电流大小和感应磁场。在另一 ...
更新日期:2020-09-25
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