• Chinese Optics Letters
  • Vol. 13, Issue 7, 070005 (2015)
Tatjana B. Miladinović and Violeta M. Petrović*
Author Affiliations
  • Department of Physics, Faculty of Science, Kragujevac University, Radoja Domanovića 12, 34000 Kragujevac, Serbia
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    DOI: 10.3788/COL201513.070005 Cite this Article Set citation alerts
    Tatjana B. Miladinović, Violeta M. Petrović. Behavior of the relativistic angular and energy distributions of atoms exposed to a strong and low-frequency circularly polarized laser field[J]. Chinese Optics Letters, 2015, 13(7): 070005 Copy Citation Text show less

    Abstract

    In this Letter, we focus on the theoretical analysis of the relativistic energy and angular distributions of the ejected photoelectrons during the relativistic tunnel ionization of atoms by intense, circularly polarized light. We make a small modification of the general analytical expressions for these distributions. The role of the initial momentum, the ponderomotive potential, and the Stark shift are considered. We also present the maximal angle of electron emission.
    Iprel,eff=c2c4Z2c2+(c4+2c2Upnonrelc2)+αF2/4.(1)

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    Wrel(θ)=Wnonrelexp[(1+(EF2ωc)2)EF2Ipω2(θθmax)2],(2)

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    θmax=arctanEF2ωc.(3)

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    Wnonrel=FD28πZexp[2Z33nef3Fp2γ33ω],(4)

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    Wrel(E)=Wnonrelexp[γ2ωUprel(EUprel)2],(5)

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    E=p2c2+c4c2.(6)

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    Tatjana B. Miladinović, Violeta M. Petrović. Behavior of the relativistic angular and energy distributions of atoms exposed to a strong and low-frequency circularly polarized laser field[J]. Chinese Optics Letters, 2015, 13(7): 070005
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