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cond-mat.mes-hall2004
Bogomol'nyi bound and screw dislocations in a mesoscopic smectic-A
Eric Akkermans, Sankalpa Ghosh, Amos Schtalheim
The de Gennes free energy functional of an infinite smectic-A liquid crystal at the dual point is shown to be topological and to depend only on the number of screw dislocations and…
cond-mat.mes-hall2004
Non-exponential relaxations in disordered conductors
Gilles Montambaux, Eric Akkermans
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…