Contribution to Spin Tubes Study

In this work, we aim to study both analytically and numerically the behavior of triangular spin tubes made by three chains which are connected to one another by exchange, in the presence of single-ion anisotropy. By diagonalizing the spin Hamiltonian, the partition function was exactly calculated wi...

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Veröffentlicht in:Journal of superconductivity and novel magnetism 2018-05, Vol.31 (5), p.1567-1575
Hauptverfasser: Farchakh, A., El Hafidi, M.
Format: Artikel
Sprache:eng
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Zusammenfassung:In this work, we aim to study both analytically and numerically the behavior of triangular spin tubes made by three chains which are connected to one another by exchange, in the presence of single-ion anisotropy. By diagonalizing the spin Hamiltonian, the partition function was exactly calculated within the transfer matrix approach and several relevant physical quantities were derived and analyzed. Depending on the sign and strengths of the exchange and anisotropy constants, the system reveals a rich variety of features such as frustration and steplikes in the magnetization curves arising from both geometry and conflicting interactions.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-017-4342-8