Spinons in Magnetic Chains of Arbitrary Spins at Finite Temperatures
J. Suzuki(University of Tokyo at Komaba)
TL;DR
This paper uses the quantum transfer matrix approach to analyze the thermodynamics of isotropic magnetic chains with arbitrary spins, focusing on spinon excitations and their implications for conformal field theory.
Contribution
It develops a set of nonlinear equations for free energy that incorporate physical excitations at zero temperature, extending understanding of spinon behavior in arbitrary spin chains.
Findings
Derived exact equations for free energy using QTM approach.
Identified the role of spinons and RSOS kinks at finite temperatures.
Linked spinon character formulas to SU(2) WZWN models.
Abstract
The thermodynamics of solvable isotropic chains with arbitrary spins is addressed by the recently developed quantum transfer matrix (QTM) approach. The set of nonlinear equations which exactly characterize the free energy is derived by respecting the physical excitations at T=0, spinons and RSOS kinks. We argue the implication of the present formulation to spinon character formula of level k=2S SU(2) WZWN model .
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