Non-exponential relaxations in disordered conductors
Gilles Montambaux, Eric Akkermans
Abstract
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/τN)3/2 where the characteristic time τin, identical for both processes, is a power T2/3 of the temperature. This result implies a distribution of relaxation times.
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