Sur ce site

Sur le Web du CNRS

Accueil du site > Séminaires > Séminaires 2011 > Wigner crystal in snaked nanochannels

Mardi 13 septembre 2011— 14:00

Wigner crystal in snaked nanochannels

Oleg Zhirov (Budker Inst. of Nuclear Physics, Novosibirsk - IRSAMC)

par Bertrand Georgeot - 13 septembre 2011

We study properties of Wigner crystal in snaked nanochannels and show that they are characterized by conducting sliding phase at low charge densities and insulating pinned phase emerging above a certain critical charge density. The transition between these phases has a devil’s staircase structure typical for the Aubry transition in dynamical maps and the Frenkel-Kontorova model. We discuss implications of this phenomenon for charge density waves in quasi-one-dimensional organic conductors and for supercapacitors in nanopore materials.