Effect of parallel magnetic field on the Zero Differential Resistance State

TL;DR

This study investigates how tilting a magnetic field affects the zero-differential resistance state in high-mobility 2D electron systems, highlighting the role of Zeeman splitting in this phenomenon.

Contribution

It demonstrates the suppression of ZDRS with magnetic field tilt and supports a model emphasizing Zeeman splitting effects due to in-plane magnetic components.

Findings

ZDRS diminishes as magnetic field tilts away from perpendicular.

Good agreement with a Zeeman splitting model.

Highlights the influence of in-plane magnetic field components.

Abstract

The non-linear zero-differential resistance state (ZDRS) that occurs for highly mobile two-dimensional electron systems in response to a dc bias in the presence of a strong magnetic field applied perpendicular to the electron plane is suppressed and disappears gradually as the magnetic field is tilted away from the perpendicular at fixed filling factor $\nu$. Good agreement is found with a model that considers the effect of the Zeeman splitting of Landau levels enhanced by the in-plane component of the magnetic field.