New bosonization scheme for spin systems in any dimension

TL;DR

This paper introduces a novel bosonization method for spin systems across all dimensions, enabling a constraint-free field-theoretical analysis and functional integral formulations for thermodynamics.

Contribution

It presents a new bosonization scheme that simplifies the theoretical treatment of spin systems without constraints, applicable in any spatial dimension.

Findings

Provides a constraint-free bosonization representation

Derives functional integral formulations for thermodynamic quantities

Discusses applications to Long Range Order in spin systems

Abstract

We present a new representation of spin operators in terms of bosonic creation-annihilation operators. This representation allows us to formulate a new field-theoretical description of spin systems which is free of any constraints. The corresponding functional integral representations for thermodynamic quantities are given and the application to investigations of Long Range Order in the system is discussed.