Competition between plaquette and dimer phases in Heisenberg chains
N.B.Ivanov, J.Richter
TL;DR
This paper investigates one-dimensional Heisenberg spin models, focusing on the competition between dimer and plaquette phases, providing exact and numerical insights into their properties.
Contribution
It presents new exact and numerical results on the properties of dimer and plaquette phases in Heisenberg chains related to $CaV_4O_9$.
Findings
Analysis of phase competition in Heisenberg chains
Exact results on plaquette and dimer phases
Numerical insights into phase properties
Abstract
We consider a class of one-dimensional Heisenberg spin models (plaquette chains) related to the recently found 1/5-depleted square-lattice Heisenberg system . A number of exact and exact-numerical results concerning the properties of the competing dimer and resonating plaquette phases are presented.
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