Tunable Charge Density Wave Transport in a Current-Effect Transistor

Abstract

The collective charge density wave (CDW) conduction is modulated by a transverse single-particle current in a transistor-like device. Nonequilibrium conditions in this geometry lead to an exponential reduction of the depinning threshold, allowing the CDWs to slide for much lower bias fields. The results are in excellent agreement with a recently proposed dynamical model in which ''wrinkles'' in the CDW wavefronts are ''ironed'' by the transverse current. The experiment might have important implications for other driven periodic media, such as moving vortex lattices or ''striped phases'' in high-Tc superconductors.

4 pages, 4 figures

References in corpus (2)

• Hall noise and transverse freezing in driven vortex lattices
• Transverse depinning and melting of a moving vortex lattice in driven periodic Josephson junction arrays

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• Convective Term and Transversely Driven Charge-Density Waves
• The Smectic A to C Phase Transition in Isotropic Disordered Environments
• Strong Effects of Weak Localization in Charge Density Wave/Normal Metal Hybrids
• Dynamic Ordering and Transverse Depinning of a Driven Elastic String in a Disordered Media
• The Smectic $A$-$C$ Phase Transition in Biaxial Disordered Environments
• Time-dependent Ginzburg-Landau equation and Boltzmann transport equation for charge-density-wave conductors
• Low-Temperature Collective Transport and Dynamics in Charge Density Wave Conductor Niobium Triselenide