A theory of multiple photon absorption by graphene in intense laser fields

Faisal F (2013)
Annalen Der Physik 525(1-2): 171-179.

Journal Article | Published | English

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Abstract
A theoretical analysis of multiple photon absorption by Dirac fermions in graphene subjected to intense laser fields is made. An analytic expression for the probability of n-photon absorption is derived. It shows that the fundamental functional dependence of n photon absorption rate is governed by a Bessel function of order n, Jn(gcos(phi p0)), where g=2vFeF2, vF is the Fermi-velocity, F is the peak field strength, is the frequency; phi p and 0 are the polar angles of the fermion momentum and the laser polarization, respectively. The result is used to investigate the rate of n photon absorption in the THz and the near-infrared domains and both in the weak-field perturbative, and the strong-field non-perturbative intensity regimes. Formation of an n-photon absorption plateau followed by an exponential cut-off beyond n=ncutoff approximate to g is also predicted to occur.
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Faisal F. A theory of multiple photon absorption by graphene in intense laser fields. Annalen Der Physik. 2013;525(1-2):171-179.
Faisal, F. (2013). A theory of multiple photon absorption by graphene in intense laser fields. Annalen Der Physik, 525(1-2), 171-179.
Faisal, F. (2013). A theory of multiple photon absorption by graphene in intense laser fields. Annalen Der Physik 525, 171-179.
Faisal, F., 2013. A theory of multiple photon absorption by graphene in intense laser fields. Annalen Der Physik, 525(1-2), p 171-179.
F. Faisal, “A theory of multiple photon absorption by graphene in intense laser fields”, Annalen Der Physik, vol. 525, 2013, pp. 171-179.
Faisal, F.: A theory of multiple photon absorption by graphene in intense laser fields. Annalen Der Physik. 525, 171-179 (2013).
Faisal, Farhard. “A theory of multiple photon absorption by graphene in intense laser fields”. Annalen Der Physik 525.1-2 (2013): 171-179.
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