Phase Diagram of the spin S=1/2 Extended XY model
Irakli Titvinidze, G.I. Japaridze
TL;DR
This paper provides an exact analysis of the quantum phase transitions and thermodynamic properties of the spin-1/2 extended XY model under various magnetic fields, revealing detailed phase diagrams.
Contribution
It presents an exact solution for the ground state phase diagram and thermodynamics of the extended XY model with magnetic fields, a novel comprehensive analysis.
Findings
Detailed ground state phase diagram mapped out.
Thermodynamic properties characterized at low temperatures.
Effects of uniform and staggered magnetic fields analyzed.
Abstract
The quantum phase transition in the ground state of the Extended spin S=1/2 XY model is studied in detail. Using the exact solution of the model the low temperature thermodynamics, as well as the ground state phase diagram of the model in the presence of applied uniform and/or staggered magnetic field are discussed.
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