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https://hdl.handle.net/2440/123586
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Type: | Journal article |
Title: | Relativistic nondipole effects in strong-field atomic ionization at moderate intensities |
Author: | Haram, N. Ivanov, I. Xu, H. Kim, K.T. Atia-tul-Noor, A. Sainadh, U.S. Glover, R.D. Chetty, D. Litvinyuk, I.V. Sang, R.T. |
Citation: | Physical Review Letters, 2019; 123(9):093201-1-093201-6 |
Publisher: | American Physical Society |
Issue Date: | 2019 |
ISSN: | 0031-9007 1079-7114 |
Statement of Responsibility: | Nida Haram, Igor Ivanov, Han Xu, Kyung Taec Kim, A. Atia-tul-Noor, U. Satya Sainadh, R.D. Glover, D. Chetty, I.V. Litvinyuk, and R.T. Sang |
Abstract: | We present a detailed experimental and theoretical study on the relativistic nondipole effects in strong-field atomic ionization by near-infrared linearly polarized few-cycle laser pulses in the intensity range of 10¹⁴–10¹⁵ W/cm². We record high-resolution photoelectron momentum distributions of argon using a reaction microscope and compare our measurements with a truly ab initio fully relativistic 3D model based on the time-dependent Dirac equation. We observe counterintuitive peak shifts of the transverse electron momentum distribution in the direction opposite to that of laser propagation as a function of laser intensity and demonstrate an excellent agreement between the experimental results and theoretical predictions. |
Rights: | © 2019 American Physical Society |
DOI: | 10.1103/PhysRevLett.123.093201 |
Grant ID: | http://purl.org/au-research/grants/arc/DP110101894 http://purl.org/au-research/grants/arc/DE130101628 |
Published version: | http://dx.doi.org/10.1103/physrevlett.123.093201 |
Appears in Collections: | Aurora harvest 4 Physics publications |
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