Non-exponential relaxations in disordered conductors
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We show that, in low dimensional conductors, the quasiparticle decay and the relaxation of the phase are not exponential processes. In quasi-one dimension, they scale as $e^{- (t/τ_N)^{3/2}}$ where the characteristic time $τ_{in}$, identical for both processes, is a power $T^{2/3}$ of the temperature. This result implies a distribution of relaxation times.
6 pages, LaTeX, 1 eps figure, contribution to the proceedings of the XXXIXth Moriond conference, La Thuile, Italy, January 2004
6 pages, LaTeX, 1 eps figure, contribution to the proceedings of the XXXIXth Moriond conference, La Thuile, Italy, January 2004