Baryon chiral perturbation theory transferred to hole-doped antiferromagnets on the honeycomb lattice

TL;DR

This paper develops a low-energy effective field theory for hole-doped antiferromagnets on the honeycomb lattice, analyzing spiral magnetic phases and two-hole bound states.

Contribution

It introduces a systematic effective field theory approach tailored to honeycomb lattice antiferromagnets, focusing on magnetic phases and pairing mechanisms.

Findings

Identification of spiral phases in staggered magnetization

Prediction of two-hole bound state formation

Framework applicable to low-energy excitations in such systems

Abstract

A systematic low-energy effective field theory for hole-doped antiferromagnets on the honeycomb lattice is constructed. The formalism is then used to investigate spiral phases in the staggered magnetization as well as the formation of two-hole bound states.