Characterization of the Energy Structure and Adiabatic Magnetization Process of V15
Indranil Rudra (1, 2), K. Saito (2), S. Ramasesha (1), Seiji, Miyashita (2) ((1) Solid State, Structural Chemistry Unit, Indian, Institute of science, Bangalore, India, (2) Department of Applied Physics, Graduate School of Science, University of Tokyo, Bunkyo-ku, Tokyo)
TL;DR
This paper investigates the energy structure and magnetization dynamics of V15 using exact diagonalization, confirming the role of Dzyaloshinskii-Moriya interaction in adiabatic magnetization changes and predicting new magnetization behaviors.
Contribution
It provides a detailed theoretical analysis of V15's energy levels and magnetization process, highlighting the impact of Dzyaloshinskii-Moriya interaction and predicting novel magnetization dynamics.
Findings
Dzyaloshinskii-Moriya interaction creates an energy gap enabling adiabatic magnetization changes
The energy level structure influences magnetization dynamics
Predicted new magnetization behaviors due to energy structure
Abstract
The energy structure of the V is studied using exact diagonalization methods, and the adiabatic changes of the magnetization in the system with the sweeping field are investigated. We confirm that the Dzyaloshinskii-Moriya interaction leads to an energy gap which allows the adiabatic change of the magnetization which has been found experimentally by Chiorescu et al., and also predict novel dynamics of the magnetization due to this energy level structure.
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Taxonomy
TopicsMagnetic properties of thin films · Theoretical and Computational Physics · Physics of Superconductivity and Magnetism