Physicists Investigate Nonlinear Hall Effect and Uncharted Magnetic Field Behavior
Physicists are examining the nonlinear Hall effect, a variant of the classical Hall effect where an electric voltage arises perpendicular to an electric current in a material. This effect is distinct because it can occur without breaking time-reversal symmetry and its strength is tied to the geometric properties of electron wave functions. Despite ongoing interest, the behavior of the nonlinear Hall effect when a magnetic field is applied is not yet fully understood.
Physicists are actively investigating the nonlinear Hall effect, a subtle variant of the more commonly known classical Hall effect. This phenomenon is characterized by the appearance of an electric voltage that is perpendicular to an electric current flowing through a material.
Unlike its classical counterpart, the nonlinear Hall effect has the capacity to emerge even without the breaking of time-reversal symmetry. The magnitude of this effect is also intrinsically linked to deep geometric properties associated with electron wave functions.
However, a significant aspect of this effect that remains poorly understood is its specific behavior when exposed to an external magnetic field.
(Source: Phys.org)
