Noise at the Wigner Glass Transition

Abstract

Using a simple model for interacting electrons in two dimensions with random disorder, we show that a crossover from a Wigner liquid to a Wigner glass occurs as a function of charge density. The noise power increases strongly at the transition and the characteristics of the 1/f^alpha noise change. When the temperature is increased, the noise power decreases. We compare these results with recent noise measurements in systems with two-dimensional metal-insulator transitions.

4 pages, 5 postscript figures

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Cited by in corpus (15)

• Reversible to Irreversible Flow Transition in Periodically Driven Vortices
• An Intermediate Phase at the Metal-Insulator Boundary in a Magnetically Doped Two-Dimensional Electron System
• Charge-Density-Wave Devices Printed with the Ink of Chemically Exfoliated 1T-TaS${}_2$ Fillers
• Depinning and dynamics of AC driven vortex lattices in random media
• A dynamical relation between dual finite temperature classical and zero temperature quantum systems: quantum critical jamming and quantum dynamical heterogeneities
• Nonlinear Dynamics, Avalanches and Noise for Driven Wigner Crystals
• Clogging, Dynamics and Reentrant Fluid for Active Matter on Periodic Substrates
• Hysteresis and Noise in Stripe and Clump Forming Systems
• A Numerical Study of Coulomb Interaction Effects on 2D Hopping Transport
• Characterizing Different Motility Induced Regimes in Active Matter with Machine Learning and Noise
• Heterogeneities and Topological Defects in Two-Dimensional Pinned Liquids
• Drive Dependence of the Hall Angle for a Sliding Wigner Crystal in a Magnetic Field
• Noise and Thermal Depinning of Wigner Crystals
• Melting, Reentrant Ordering and Peak Effect for Wigner Crystals with Quenched and Thermal Disorder
• The Effect of Pinning on Drag in Coupled One-Dimensional Channels of Particles