Related Experiment Video
Updated: Sep 18, 2025

Measuring Axonal Cargo Transport in Mouse Primary Cortical Cultured Neurons
Published on: February 24, 2023
Nonlinear transport in non-centrosymmetric systems
Manuel Suárez-Rodríguez1,2, Fernando de Juan3,4, Ivo Souza3,5
1CIC nanoGUNE BRTA, Donostia-San Sebastián, Spain.
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, nonlinear transport effects are permitted with quadratic scaling between voltages and currents. Here we review the main demonstrations of nonlinear transport in non-centrosymmetric systems, analysing the connection between nonlinear behaviour and the system's symmetry. We also investigate the microscopic mechanisms driving these effects, such as Berry curvature dipole and Berry connection polarizability. Finally, we highlight potential applications of nonlinear transport in spintronics and energy harvesting.
Related Concept Videos
Nonlinear Pharmacokinetics: Role of Transporters
Polymorphisms occurring in drug transporters can alter...
Protein Diffusion in the Membrane
Reynolds Transport Theorem
Non-conservative Forces
Also unlike their conservative counterparts, they are path-dependent; where the object starts and stops does matter. For example, a grinding wheel applies a...
Membrane Asymmetry Regulating Transporters
Flippase
Eukaryotic flippases are type-IV P-type ATPases or P4-ATPases belonging to P-type ATPase family proteins that are membrane-bound pumps involved in the ATP-mediated transport of ions and molecules across the membrane. Flippases flip specific phospholipids from the outer to the inner leaflet of a membrane. All P4-ATPases have one...
Eccentric Axial Loading in a Plane of Symmetry

