Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations

Blaschke D, Kämpfer B, Schmidt SM, Panferov AD, Prozorkevich AV, Smolyansky SA (2013)
Physical Review D 88(4).

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Abstract
Solutions of a kinetic equation are investigated which describe, on a nonperturbative basis, the vacuum creation of quasiparticle electron-positron pairs due to a strong laser field. The dependence of the quasiparticle electron (positron) distribution function and the particle number density is explored in a wide range of the laser radiation parameters, i.e., the wavelength \lambda and amplitude of electric field strength E_0. Three domains are found: the domain of vacuum polarization effects where the density of the e-e+ pairs is small (the "calm valley"), and two accumulation domains in which the production rate of the e-e+ pairs is strongly increased and the e-e+ pair density can reach a significant value (the short wave length domain and the strong field one). In particular, the obtained results point to a complicated short-distance electromagnetic structure of the physical vacuum in the domain of short wavelengths \lambda \lessim \lambda_{acc} = \pi/m. For moderately strong fields E_0 \lesssim E_c=m^2/e, the accumulation regime can be realized where a plasma with a high density of e-e+ quasiparticles can be achieved. In this domain of the field strengths and in the whole investigated range of wavelengths, an observation of the dynamical Schwinger effect can be facilitated.
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Blaschke D, Kämpfer B, Schmidt SM, Panferov AD, Prozorkevich AV, Smolyansky SA. Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations. Physical Review D. 2013;88(4).
Blaschke, D., Kämpfer, B., Schmidt, S. M., Panferov, A. D., Prozorkevich, A. V., & Smolyansky, S. A. (2013). Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations. Physical Review D, 88(4).
Blaschke, D., Kämpfer, B., Schmidt, S. M., Panferov, A. D., Prozorkevich, A. V., and Smolyansky, S. A. (2013). Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations. Physical Review D 88.
Blaschke, D., et al., 2013. Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations. Physical Review D, 88(4).
D. Blaschke, et al., “Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations”, Physical Review D, vol. 88, 2013.
Blaschke, D., Kämpfer, B., Schmidt, S.M., Panferov, A.D., Prozorkevich, A.V., Smolyansky, S.A.: Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations. Physical Review D. 88, (2013).
Blaschke, David, Kämpfer, B., Schmidt, S. M., Panferov, A. D., Prozorkevich, A. V., and Smolyansky, S. A. “Properties of the electron-positron plasma created from a vacuum in a strong laser field: Quasiparticle excitations”. Physical Review D 88.4 (2013).
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