Spherical model with Dzyaloshinskii-Moriya interactions
William de Castilho, S. R. Salinas
TL;DR
This paper investigates the thermodynamic properties of a spherical ferromagnetic model incorporating Dzyaloshinskii-Moriya interactions, revealing the emergence of space-modulated structures at low temperatures through exact classical and quantum calculations.
Contribution
It introduces a mean-spherical model with Dzyaloshinskii-Moriya interactions and provides exact analysis of its classical and quantum thermodynamics.
Findings
Space modulated structures appear at low temperatures.
Exact solutions for classical and quantum models are obtained.
Dzyaloshinskii-Moriya interactions influence the thermodynamic behavior.
Abstract
We analyze the thermodynamic behavior of a ferromagnetic mean-spherical model with three distinct spin components and the addition of Dzyaloshinkii-Moriya interactions. Exact calculations are performed for classical and quantum versions of this lattice model system. We show the onset of space modulated structures at low temperatures.
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