Collapse-and-revival dynamics of strongly laser-driven electrons

Skoromnik, Oleg; Feranchuk, I. D.; Keitel, Christoph H.

doi:10.1103/PhysRevA.87.052107

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Collapse-and-revival dynamics of strongly laser-driven electrons

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Skoromnik, Oleg
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,;

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Citation

Skoromnik, O., Feranchuk, I. D., & Keitel, C. H. (2013). Collapse-and-revival dynamics of strongly laser-driven electrons. Physical Review A, 87(5): 052107, pp. 1-16. doi:10.1103/PhysRevA.87.052107.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-F55A-3

Abstract

The relativistic quantum dynamics of an electron in an intense single-mode quantized electromagnetic field is investigated with special emphasis on the spin degree of freedom. In addition to fast spin oscillations at the laser frequency, a second time scale is identified due to the intensity dependent emissions and absorptions of field quanta. In analogy to the well-known phenomenon in atoms at moderate laser intensity, we put forward the conditions of collapses and revivals for the spin evolution in laser-driven electrons starting at feasible $10^{18}$ W/cm$^2$.