Tensor networks demonstrate DQCP stability in the 1D spin-phonon model only for high phonon frequencies, with a first-order transition below a critical value whose endpoint belongs to the four-state Potts universality class.
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Tensor network study of deconfined quantum criticality in a one-dimensional spin-phonon model
Tensor networks demonstrate DQCP stability in the 1D spin-phonon model only for high phonon frequencies, with a first-order transition below a critical value whose endpoint belongs to the four-state Potts universality class.