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

V. V. Hovhannisyan, J. Strečka, Nerses S. Ananikian

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13 Citations (Scopus)

Abstract

The spin-1 Ising–Heisenberg diamond chain with the second-neighbor interaction between nodal spins is rigorously solved using the transfer-matrix method. In particular, exact results for the ground state, magnetization process and specific heat are presented and discussed. It is shown that further-neighbor interaction between nodal spins gives rise to three novel ground states with a translationally broken symmetry, but at the same time, 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.
Original languageEnglish
Article number085401
JournalJournal of Physics: Condensed Matter
Volume28
Issue number8
DOIs
Publication statusPublished - 6 Feb 2016

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