Spin Frustration in an Exactly Solvable Ising-Heisenberg Diamond Chain
Michal Jascur, Jozef Strecka
TL;DR
This paper derives exact solutions for a mixed spin-1/2 and spin-1 Ising-Heisenberg diamond chain, revealing six distinct ground state phases influenced by external parameters, and describes their magnetic order.
Contribution
It provides an exact analytical solution for the model using a generalized decoration-iteration transformation, identifying multiple ground state phases and their magnetic properties.
Findings
Six different ground state phases identified
Magnetic order varies with external field, exchange, and anisotropy
Exact solutions enable detailed phase diagram analysis
Abstract
Exact results of a mixed spin-1/2 and spin-1 Ising-Heisenberg diamond chain are obtained applying a generalized decoration-iteration transformation. Depending on the values of external field, exchange parameters and anisotropy, there exist six different phases in the ground state of the system. The magnetic order of these phases is briefly described in this work.
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