Current Relaxation in Nonlinear Random Media
Current Relaxation in Nonlinear Random Media
We study the current relaxation of a wave packet in a nonlinear random sample coupled to the continuum and show that the survival probability decays as P(t) approximately 1/t(alpha). For intermediate times t<t(*), the exponent alpha satisfies a scaling law alpha=f(Lambda=chi/l(infinity)), where chi is the nonlinearity strength and l(infinity) is …