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Journal Article

Spin polarized electron-positron pair production via elliptical polarized laser fields

MPS-Authors
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Wöllert,  Anton
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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Bauke,  Heiko
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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Keitel,  Christoph H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

External Resource

http://link.aps.org/doi/10.1103/PhysRevD.91.125026
(Publisher version)

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Fulltext (public)

1502.06414.pdf
(Preprint), 11MB

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Citation

Wöllert, A., Bauke, H., & Keitel, C. H. (2015). Spin polarized electron-positron pair production via elliptical polarized laser fields. Physical Review D, 91(12): 125026. doi:10.1103/PhysRevD.91.125026.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0027-C269-8
Abstract
We study nonperturbative multiphoton electron-positron pair creation in ultrastrong electromagnetic fields formed by two counterpropagating pulses with elliptic polarization. Our numerical approach allows us to take into account the temporal as well as the spatial variation of the standing electromagnetic field. The spin and momentum resolved pair creation probabilities feature characteristic Rabi oscillations and resonance spectra. Therefore, each laser frequency features a specific momentum distribution of the created particles. We find that, depending on the relative polarization of both pulses, the created electrons may be spin polarized along the direction of field propagation.