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Dynamical Transition In Sliding Charge-Density Waves With Quenched Disorder, Lee-Wen Chen, Leon Balents, Matthew P. A. Fisher, M. Cristina Marchetti
Dynamical Transition In Sliding Charge-Density Waves With Quenched Disorder, Lee-Wen Chen, Leon Balents, Matthew P. A. Fisher, M. Cristina Marchetti
Physics - All Scholarship
We have studied numerically the dynamics of sliding charge-density waves (CDWs) in the presence of impurities in d=1,2. The model considered exhibits a first order dynamical transition at a critical driving force
Fc between “rough” (disorder dominated) (F < Fc) and “flat” (F > Fc) sliding phases where disorder is washed out by the external drive. The effective model for the sliding CDWs in the presence of impurities can be mapped onto that of a magnetic flux line pinned by columnar defects and tilted by an applied field. The dynamical transition of sliding CDWs corresponds to the transverse Meissner effect of the tilted flux line.