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Condensed Matter > Statistical Mechanics

arXiv:1512.05150 (cond-mat)
[Submitted on 16 Dec 2015]

Title:Exactly solvable spin-1 Ising-Heisenberg diamond chain with the second-neighbor interaction between nodal spins

Authors:Vahan Hovhannisyan, Jozef Strecka, Nerses Ananikian
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Abstract:The spin-1 Ising-Heisenberg diamond chain with the second-neighbor interaction between the nodal spins is rigorously solved using the transfer-matrix method. Exact results for the ground state, magnetization process and specific heat are presented and discussed in particular. It is shown that the further-neighbor interaction between the nodal spins gives rise to three novel ground states with a translationally broken symmetry, but at the same time, it does not increases the total number of intermediate plateaus in a zero-temperature magnetization curve compared with the simplified model without this interaction term. The zero-field specific heat displays interesting thermal dependencies with a single- or double-peak structure.
Comments: 11 pages, 5 figures. arXiv admin note: text overlap with arXiv:1406.0999
Subjects: Statistical Mechanics (cond-mat.stat-mech)
Cite as: arXiv:1512.05150 [cond-mat.stat-mech]
  (or arXiv:1512.05150v1 [cond-mat.stat-mech] for this version)
  https://doi.org/10.48550/arXiv.1512.05150
Journal reference: J. Phys.: Condens. Matter 28 (2016) 085401 (7pp)
Related DOI: https://doi.org/10.1088/0953-8984/28/8/085401

Submission history

From: Nerses Ananikian [view email]
[v1] Wed, 16 Dec 2015 12:40:25 UTC (1,313 KB)
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