Boson Realization of the SU(4) Model of High-Temperature Superconductivity
J. Dobes (Nuclear Physics Institute, Rez, Czech Republic)
TL;DR
This paper applies boson mapping techniques to the SU(4) algebraic model of high-temperature superconductivity, providing exact solutions and insights into the phase behavior near the SO(5) symmetry limit.
Contribution
It introduces a bosonization approach to solve the SU(4) model exactly and interprets the phase behavior relevant to cuprate superconductors.
Findings
Exact numerical solutions of the SU(4) model obtained.
Analysis of order parameters near the SO(5) symmetry limit.
Modeling of D-wave superconducting and antiferromagnetic phases.
Abstract
The SU(4) algebraic model of high-temperature superconductivity is studied employing the boson mapping techniques. The bosonization of the model enables us to get exact numerical solution of the model. The order parameters are discussed. The situation close to the SO(5) dynamical symmetry limit is interpreted as a modelling case for the behaviour of -wave superconducting and antiferromagnetic phases in cuprates.
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Taxonomy
TopicsPhysics of Superconductivity and Magnetism · Advanced NMR Techniques and Applications · Superconducting Materials and Applications