Non-exponential relaxations in disordered conductors

Details Non-exponential relaxations in disordered conductors Non-exponential relaxations in disordered conductors

2004-05-21

arxiv.org/abs/cond-mat/0405523v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, LaTeX, 1 eps figure, contribution to the proceedings of the XXXIXth Moriond conference, La Thuile, Italy, January 200

Scientific paper

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 $e^{- (t/\tau_N)^{3/2}}$ where the characteristic time
$\tau_{in}$, identical for both processes, is a power $T^{2/3}$ of the
temperature. This result implies a distribution of relaxation times.

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