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

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

Research output: Contribution to journalArticle

11 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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Diamond
Ground state
Specific heat
Diamonds
Magnetization
diamonds
Transfer matrix method
Crystal symmetry
specific heat
process heat
magnetization
ground state
interactions
matrix methods
plateaus
broken symmetry
curves
Temperature
temperature
Hot Temperature

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Exactly solvable spin-1 Ising–Heisenberg diamond chain with the second-neighbor interaction between nodal spins. / Hovhannisyan, V. V.; Strečka, J.; Ananikian, Nerses S.

In: Journal of Physics: Condensed Matter, Vol. 28, No. 8, 085401, 06.02.2016.

Research output: Contribution to journalArticle

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