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

Bauer, Dieter; Milosevic, D. B.; Becker, W.

doi:10.1103/PhysRevA.72.023415

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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: Date issued: 2005-08

Publication Status: Issued

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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