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  Strong-field approximation for intense-laser-atom processes: The choice of gauge

Bauer, D., Milosevic, D. B., & Becker, W. (2005). Strong-field approximation for intense-laser-atom processes: The choice of gauge. Physical Review A, 72(2): 023415. doi:10.1103/PhysRevA.72.023415.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8866-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-4A31-E
Genre: Journal Article

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 Creators:
Bauer, Dieter1, Author           
Milosevic, D. B.2, Author
Becker, W.2, Author
Affiliations:
1Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society, ou_904546              
2Univ Sarajevo, Fac Sci, Sarajevo 71000, Bosnia & Herceg.; Max Born Inst, D-12489 Berlin, Germany., ou_persistent22              

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 Abstract: The strong-field approximation (SFA) can be and has been applied in both length gauge and velocity gauge with quantitatively conflicting answers. For ionization of negative ions with a ground state of odd parity, the predictions of the two gauges differ qualitatively: in the envelope of the angular-resolved energy spectrum, dips in one gauge correspond to humps in the other. We show that the length-gauge SFA matches the exact numerical solution of the time-dependent Schrödinger equation.

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Language(s): eng - English
 Dates: 2005-08
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.72.023415
ISI: 000231564200144
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Title: Physical Review A
  Alternative Title : Phys. Rev. A
Source Genre: Journal
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Pages: - Volume / Issue: 72 (2) Sequence Number: 023415 Start / End Page: - Identifier: ISSN: 1050-2947