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cond-mat.str-el2024
Multiscale Excitations in the Diluted Two-dimensional S = 1/2 Heisenberg Antiferromagnet
Liuyun Dao, Hui Shao, Anders W. Sandvik
We study the excitation spectrum of the Heisenberg model on the randomly diluted square lattice by analytic continuation of QMC data. At dilution fractions and $p=…
cond-mat.str-el2024★ 3 cited
SO(5) multicriticality in two-dimensional quantum magnets
Jun Takahashi, Hui Shao, Bowen Zhao +2
We resolve the nature of the quantum phase transition between antiferromagnetic and valence-bond solid ground states in square-lattice spin-1/2 magnets - the putative deconfined qu…
cond-mat.str-el2024★ 6 cited
Magnon, doublon and quarton excitations in 2D S=1/2 trimerized Heisenberg models
Yue-Yue Chang, Jun-Qing Cheng, Hui Shao +2
We investigate the magnetic excitations of the trimerized Heisenberg models with intra-trimer interaction and inter-trimer interaction on four different two-dimensional…