Emergence of a Dimer–Dimer Interaction in the Low-Energy Effective Quantum-Dimer Model of a Diamond-Like-Decorated Square-Lattice Heisenberg Antiferromagnets with Further Neighbor Couplings

We study spin-1/2 Heisenberg antiferromagnets on a diamond-like-decorated square lattice perturbed by two kinds of further neighbor couplings. In our previous study [J. Phys. Soc. Jpn. 85, 094002 (2016)], the second-order effective Hamiltonian for the Heisenberg model perturbed by a further neighbor...

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Veröffentlicht in:	Journal of the Physical Society of Japan 2017-12, Vol.86 (12), p.124002
Hauptverfasser:	Hirose, Yuhei, Oguchi, Akihide, Fukumoto, Yoshiyuki
Format:	Artikel
Sprache:	eng
Schlagworte:	Antiferromagnetism Couplings Diamonds Dimers Heisenberg antiferromagnets Heisenberg theory Magnetism Statistical models
Online-Zugang:	Volltext
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