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20232026
most citedContinuously varying critical exponents in an exactly solvable long-range cluster XY mode

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cond-mat.str-el2026

Deconfined Boundary Phase Transition of a Quantum Critical Heisenberg Model

Chengxiang Ding, Long Zhang

We investigate the boundary phases of a (2+1)-dimensional quantum critical Heisenberg model with a dangling spin chain. By introducing a multispin -term along the boundary, we d…