Non-linear Transport in Non-centrosymmetric Systems: From Fundamentals to Applications

Abstract

Ohm's law has been a cornerstone of electronics since its experimental discovery. This law establishes that in a conductive system, the voltage is directly proportional to the current. Even when time-reversal symmetry is disrupted, leading to the emergence of magnetoresistance and Hall effects, the linear relationship between voltage and current remains intact. However, recent experiments have demonstrated a breakdown of Ohm's law in non-centrosymmetric structures. In these systems, non-linear transport effects are permitted with quadratic scaling between voltages and currents. Here, we review the main demonstrations of non-linear transport in non-centrosymmetric systems, analyzing the connection between non-linear behavior and the system's symmetry. Additionally, we delve into the microscopic mechanisms driving these effects, such as Berry curvature dipole and Berry connection polarizability. Finally, we highlight potential applications of non-linear transport in spintronics and energy harvesting.

19 pages, 4 figures, 4 tables

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• Anomalous Nonlinear Magnetoconductivity in van der Waals Magnet CrSBr
• Nonlinear current response of two-dimensional systems under in-plane magnetic field
• Room Temperature Gate Tunable Non Reciprocal Charge Transport in Lattice Matched InSb/CdTe Heterostructures

Cited by in corpus (10)

• Second-Order Conductivity Probes a Cascade of Singularities in a Moiré Superlattice
• Precise quantum-geometric electronic properties from first principles
• Measuring the Hall effect in hysteretic materials
• Nonlinear Odd Viscoelastic Effect
• Magnetotransport in Topological Materials and Nonlinear Hall Effect via First-Principles Electronic Interactions and Band Topology
• Weak localization and antilocalization corrections to nonlinear transport: a semiclassical Boltzmann treatment
• Quantum geometric map of magnetotransport
• Ultrafast non-thermal suppression of ferroelectricity by carrier screening in LiNbO3
• Modern triad for magnetic material science: geometric shape, electronic bands and spin textures
• Second-Order Synaptic Memory using Inherent Plasticity of Moiré Superlattices