Abstract
We study, by means of numerical simulations, the decoherence induced by a low-energy carrier-carrier scattering event on the spatial degrees of freedom of one of the two distinguishable carriers. The two-particle time-dependent Schrodinger equation is solved in the center of mass frame and the decoherence is quantified, at a number of time steps, by evaluating the entanglement between the two particles. We find that the decoherence rate is higher for higher kinetic energy of the particles and that a scattering between two carriers with opposite charge produces more decoherence than one between carriers with equal charge. The parallel algorithm used for the entanglement calculation is described.
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