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Photon kinetic modeling of laser pulse propagation in underdense plasma

Reitsma, A.J.W. and Trines, R.M.G.M. and Bingham, R. and Cairns, R.A. and Mendonca, J.T. and Jaroszynski, D.A. (2006) Photon kinetic modeling of laser pulse propagation in underdense plasma. Physics of Plasmas, 13 (11). 113104-1-113104-10. ISSN 1070-664X

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Abstract

This paper discusses photon kinetic theory, which is a description of the electromagnetic field in terms of classical particles in coordinate and wave number phase space. Photon kinetic theory is applied to the interaction of laser pulses with underdense plasma and the transfer of energy and momentum between the laser pulse and the plasma is described in photon kinetic terms. A comparison is made between a one-dimensional full wave and a photon kinetic code for the same laser and plasma parameters. This shows that the photon kinetic simulations accurately reproduce the pulse envelope evolution for photon frequencies down to the plasma frequency.