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Photoionization spectra by intense linear, circular, and elliptic polarized lasers

We study the characteristics of ionization rates of an atom by an intense laser field using an extension of Keldysh theory. High-order semianalytical expressions are obtained for linear, circular, and elliptically polarized fields. We compare the features of the new rates with Keldysh analytical res...

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Main Authors: Ooi, Chong Heng Raymond, Ho, W., Bandrauk, A.D.
Format: Article
Published: American Physical Society 2012
Subjects:
QC Physics
Online Access:http://eprints.um.edu.my/7975/
https://doi.org/10.1103/PhysRevA.86.023410
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spelling my.um.eprints.79752019-10-09T08:07:29Z http://eprints.um.edu.my/7975/ Photoionization spectra by intense linear, circular, and elliptic polarized lasers Ooi, Chong Heng Raymond Ho, W. Bandrauk, A.D. QC Physics We study the characteristics of ionization rates of an atom by an intense laser field using an extension of Keldysh theory. High-order semianalytical expressions are obtained for linear, circular, and elliptically polarized fields. We compare the features of the new rates with Keldysh analytical results as functions of frequency and electric field strength. The directionality of photoelectron emissions is compared for elliptical, circular, and linearly polarized cases. Laser polarization has significant effects on the ionization spectra and directionality of photoelectron emission. American Physical Society 2012 Article PeerReviewed Ooi, Chong Heng Raymond and Ho, W. and Bandrauk, A.D. (2012) Photoionization spectra by intense linear, circular, and elliptic polarized lasers. Physical Review A, 86 (2). 023410. ISSN 2469-9926 https://doi.org/10.1103/PhysRevA.86.023410 doi:10.1103/PhysRevA.86.023410
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QC Physics
spellingShingle QC Physics
Ooi, Chong Heng Raymond
Ho, W.
Bandrauk, A.D.
Photoionization spectra by intense linear, circular, and elliptic polarized lasers
description We study the characteristics of ionization rates of an atom by an intense laser field using an extension of Keldysh theory. High-order semianalytical expressions are obtained for linear, circular, and elliptically polarized fields. We compare the features of the new rates with Keldysh analytical results as functions of frequency and electric field strength. The directionality of photoelectron emissions is compared for elliptical, circular, and linearly polarized cases. Laser polarization has significant effects on the ionization spectra and directionality of photoelectron emission.
format Article
author Ooi, Chong Heng Raymond
Ho, W.
Bandrauk, A.D.
author_facet Ooi, Chong Heng Raymond
Ho, W.
Bandrauk, A.D.
author_sort Ooi, Chong Heng Raymond
title Photoionization spectra by intense linear, circular, and elliptic polarized lasers
title_short Photoionization spectra by intense linear, circular, and elliptic polarized lasers
title_full Photoionization spectra by intense linear, circular, and elliptic polarized lasers
title_fullStr Photoionization spectra by intense linear, circular, and elliptic polarized lasers
title_full_unstemmed Photoionization spectra by intense linear, circular, and elliptic polarized lasers
title_sort photoionization spectra by intense linear, circular, and elliptic polarized lasers
publisher American Physical Society
publishDate 2012
url http://eprints.um.edu.my/7975/
https://doi.org/10.1103/PhysRevA.86.023410
_version_ 1648736113179754496
score 13.211869

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