Nonlinear instability and dynamics of polaritons in quantum systems

Details Nonlinear instability and dynamics of polaritons in quantum systems Nonlinear instability and dynamics of polaritons in quantum systems

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007njph....9...98s&link_type=abstract

New Journal of Physics, Volume 9, Issue 4, pp. 98 (2007).

Physics

8

Scientific paper

We present analytical and simulation studies of the nonlinear instability and dynamics of an electron hole/anti-electron (hereafter referred to as polaritons) system, which are common in ultra-small devices (semiconductors and micromechanical systems) as well as in dense astrophysical environments and the next generation intense laser matter interaction experiments. Starting with three coupled nonlinear equations (two Schrödinger equations for interacting polaritons at quantum scales and the Poisson equation determining the electrostatic interactions and the associated charge separation effect), we demonstrate novel modulational instabilities and nonlinear polaritonic structures. It is suggested that the latter can transport information at quantum scales in high-density, ultracold quantum systems.

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