| Issue |
EPL
Volume 120, Number 1, October 2017
|
|
|---|---|---|
| Article Number | 14003 | |
| Number of page(s) | 5 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/120/14003 | |
| Published online | 29 December 2017 | |
Longitudinal current in single-atom interacting with laser field
1 Faculty of Physics, Lomonosov Moscow State University - Leninskie Gory, 1, build. 2, 119991, Moscow, Russia
2 National Research Centre “Kurchatov Institute” - pl. Akademika Kurchatova, 1, 123182, Moscow, Russia
Received: 13 July 2017
Accepted: 24 November 2017
We present the results of calculations of high-harmonic spectra at different mutual orientations of laser field and atomic angular momentum. The presented results show that the atomic current induced by the external laser field can include the longitudinal component orthogonal to the polarization vector of an incident field. Moreover, it provides an insight into the physics of processes which cause the polarization of generated harmonics. In addition, it hints at the way for the polarization control over high at harmonics.
PACS: 42.65.Ky – Frequency conversion; harmonic generation, including higher-order harmonic generation / 32.80.Qk – Coherent control of atomic interactions with photons
© EPLA, 2017
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