Statics and Dynamics of Vortex Liquid Crystals

Details Statics and Dynamics of Vortex Liquid Crystals Statics and Dynamics of Vortex Liquid Crystals

2005-06-30

arxiv.org/abs/cond-mat/0506783v1

Europhys. Lett. 75, 489 (2006)

Physics

Condensed Matter

Superconductivity

4 pages, 4 postscript figures

Scientific paper

10.1209/epl/i2005-10602-4

Using numerical simulations we examine the static and dynamic properties of the recently proposed vortex liquid crystal state. We confirm the existence of a smectic-A phase in the absence of pinning. Quenched disorder can induce a smectic state even at T=0. When an external drive is applied, a variety of anisotropic dynamical flow states with distinct voltage signatures occur, including elastic depinning in the hard direction and plastic depinning in the easy direction. We discuss the implications of the anisotropic transport for other systems which exhibit depinning phenomena, such as stripes and electron liquid crystals.

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