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cond-mat.str-el2026
Extended symmetric quantum phase in a honeycomb Heisenberg model with sublattice-selective interactions
Nai Chao Hu, Xing-Yu Zhang, Yuchi He +1
Motivated by two-dimensional bilayer systems we numerically study an anti-ferromagnetic spin- Heisenberg model on the honeycomb lattice with a nearest-neighbour exchange coupl…
cond-mat.str-el2026★ 1 cited
Lowering the temperature of two-dimensional fermionic tensor networks with cluster expansions
Sander De Meyer, Atsushi Ueda, Yuchi He +2
Representing the time-evolution operator as a tensor network constitutes a key ingredient in several algorithms for studying quantum lattice systems at finite temperature or in a n…