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Title: Direct extraction of intense-field-induced polarization in the continuum on the attosecond time scale from transient absorption

Journal Article · · Physical Review A
 [1];  [1];  [2];  [2];  [3]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Chemical Sciences Division
  2. Louisiana State Univ., Baton Rouge, LA (United States). Dept. of Physics and Astronomy
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Chemical Sciences Division; Univ. of California, Davis, CA (United States). Dept. of Chemistry
+ Show Author Affiliations

Here, a procedure is suggested for using transient absorption spectroscopy above the ionization threshold to measure the polarization of the continuum induced by an intense optical pulse. In this way transient absorption measurement can be used to probe subfemtosecond intense field dynamics in atoms and molecules. The method is based on an approximation to the dependence of these spectra on time delay between an attosecond XUV probe pulse and an intense pump pulse that is tested over a wide range of intensities and time delays by all-electrons-active calculations using the multiconfiguration time-dependent Hartree-Fock method in the case of neon.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division
Grant/Contract Number:
AC02-05CH11231; FG02-13ER16403; SC0007182
OSTI ID:
1465399
Alternate ID(s):
OSTI ID: 1236538
Journal Information:
Physical Review A, Vol. 93, Issue 2; Related Information: © 2016 American Physical Society.; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

References (35)

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Attosecond physics
  • Kienberger, Reinhard; Krausz, Ferenc
  • ICALEO® 2007: 26th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing, International Congress on Applications of Lasers & Electro-Optics https://doi.org/10.2351/1.5061046
conference January 2007
Multiphoton transitions for delay-zero calibration in attosecond spectroscopy text January 2015
Absorption and emission of single attosecond light pulses in an autoionizing gaseous medium dressed by a time-delayed control field text January 2012
Lorentz meets Fano spectral line shapes: A universal phase and its laser control text January 2013
Time-dependent complete-active-space self-consistent field method for multielectron dynamics in intense laser fields text January 2013
Time-dependent restricted-active-space self-consistent field theory for laser-driven many-electron dynamics text January 2013

Cited By (5)

Decomposition of the configuration-interaction coefficients in the multiconfiguration time-dependent Hartree-Fock method journal April 2016
A quantum dynamics method for excited electrons in molecular aggregate system using a group diabatic Fock matrix journal August 2017
Probing the interplay between geometric and electronic-structure features via high-harmonic spectroscopy journal May 2019
Electron correlation in beryllium: Effects in the ground state, short-pulse photoionization, and time-delay studies journal May 2017
Electron correlation in beryllium: Effects in ground state, short-pulse photoionization and time-delay studies text January 2017

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Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
polarization
attosecond laser irradiation
femtosecond pump-probe transient absorption
Hartree-Fock methods
molecular dynamics