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Trident pair production in strong laser pulses
Umeå University, Faculty of Science and Technology, Department of Physics.
2011 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 106, no 2, 020404- p.Article in journal (Refereed) Published
Abstract [en]

We calculate the trident pair production amplitude in a strong laser background.We allow for finite pulsedurations, while still treating the laser fields nonperturbatively in strong-field QED. Our approach revealsexplicitly the individual contributions of the one-step and two-step processes.We also expose the role gaugeinvariance plays in the amplitudes and discuss the relation between our results and the optical theorem.

Place, publisher, year, edition, pages
The American Physical Society , 2011. Vol. 106, no 2, 020404- p.
National Category
Subatomic Physics
Research subject
Theoretical Physics
URN: urn:nbn:se:umu:diva-39223DOI: 10.1103/PhysRevLett.106.020404OAI: diva2:388581
Available from: 2011-01-18 Created: 2011-01-18 Last updated: 2011-01-27Bibliographically approved

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Ilderton, Anton
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