Pseudospin and Deformation-induced Gauge Field in Graphene

TL;DR

This paper reviews the role of pseudospin and deformation-induced gauge fields in graphene, highlighting their effects on electron-phonon interactions and edge states, advancing understanding of graphene's electronic properties.

Contribution

It introduces the concept of a gauge field coupling to pseudospin in graphene and explores its applications to electron-phonon interactions and edge states, providing new insights.

Findings

Gauge field coupling affects electron-phonon interactions.

Pseudospin plays a key role in edge state properties.

The framework enhances understanding of graphene's electronic behavior.

Abstract

The basic properties of $\pi$-electrons near the Fermi level in graphene are reviewed from a point of view of the pseudospin and a gauge field coupling to the pseudospin. The applications of the gauge field to the electron-phonon interaction and to the edge states are reported.