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Title: Few-cycle attosecond pulse chirp effects on asymmetries in ionized electron momentum distributions

Abstract

The momentum distributions of electrons ionized from H atoms by chirped few-cycle attosecond pulses are investigated by numerically solving the time-dependent Schroedinger equation. The central carrier frequency of the pulse is chosen to be 25 eV, which is well above the ionization threshold. The asymmetry (or difference) in the yield of electrons ionized along and opposite to the direction of linear laser polarization is found to be very sensitive to the pulse chirp (for pulses with fixed carrier-envelope phase), both for a fixed electron energy and for the energy-integrated yield. In particular, the larger the pulse chirp, the larger the number of times the asymmetry changes sign as a function of ionized electron energy. For a fixed chirp, the ionized electron asymmetry is found to be sensitive also to the carrier-envelope phase of the few-cycle pulse.

Authors:
; ; ; ;  [1]
  1. Department of Physics and State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871 (China)
Publication Date:
OSTI Identifier:
21313285
Resource Type:
Journal Article
Journal Name:
Physical Review. A
Additional Journal Information:
Journal Volume: 80; Journal Issue: 1; Other Information: DOI: 10.1103/PhysRevA.80.013407; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1050-2947
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; ASYMMETRY; ATOMS; CARRIERS; ELECTRONS; FUNCTIONS; LASERS; MODULATION; MULTI-PHOTON PROCESSES; PHOTOIONIZATION; PHOTON-ATOM COLLISIONS; POLARIZATION; PULSES; SCHROEDINGER EQUATION; TIME DEPENDENCE

Citation Formats

Liangyou, Peng, Fang, Tan, Qihuang, Gong, Pronin, Evgeny A, Starace, Anthony F, and Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0111. Few-cycle attosecond pulse chirp effects on asymmetries in ionized electron momentum distributions. United States: N. p., 2009. Web. doi:10.1103/PHYSREVA.80.013407.
Liangyou, Peng, Fang, Tan, Qihuang, Gong, Pronin, Evgeny A, Starace, Anthony F, & Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0111. Few-cycle attosecond pulse chirp effects on asymmetries in ionized electron momentum distributions. United States. https://doi.org/10.1103/PHYSREVA.80.013407
Liangyou, Peng, Fang, Tan, Qihuang, Gong, Pronin, Evgeny A, Starace, Anthony F, and Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0111. 2009. "Few-cycle attosecond pulse chirp effects on asymmetries in ionized electron momentum distributions". United States. https://doi.org/10.1103/PHYSREVA.80.013407.
@article{osti_21313285,
title = {Few-cycle attosecond pulse chirp effects on asymmetries in ionized electron momentum distributions},
author = {Liangyou, Peng and Fang, Tan and Qihuang, Gong and Pronin, Evgeny A and Starace, Anthony F and Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0111},
abstractNote = {The momentum distributions of electrons ionized from H atoms by chirped few-cycle attosecond pulses are investigated by numerically solving the time-dependent Schroedinger equation. The central carrier frequency of the pulse is chosen to be 25 eV, which is well above the ionization threshold. The asymmetry (or difference) in the yield of electrons ionized along and opposite to the direction of linear laser polarization is found to be very sensitive to the pulse chirp (for pulses with fixed carrier-envelope phase), both for a fixed electron energy and for the energy-integrated yield. In particular, the larger the pulse chirp, the larger the number of times the asymmetry changes sign as a function of ionized electron energy. For a fixed chirp, the ionized electron asymmetry is found to be sensitive also to the carrier-envelope phase of the few-cycle pulse.},
doi = {10.1103/PHYSREVA.80.013407},
url = {https://www.osti.gov/biblio/21313285}, journal = {Physical Review. A},
issn = {1050-2947},
number = 1,
volume = 80,
place = {United States},
year = {Wed Jul 15 00:00:00 EDT 2009},
month = {Wed Jul 15 00:00:00 EDT 2009}
}