3 papers
cond-mat.str-el2026
Tensor network study of deconfined quantum criticality in a one-dimensional spin-phonon model
Anton Romen, Josef Willsher, David Hofmeier +2
Deconfined quantum critical points (DQCPs) describe continuous transitions between ordered phases beyond the Landau paradigm. A simple example is the Néel antiferromagnet (AFM) to…
cond-mat.str-el2026
Lattice Gauging Interfaces and Noninvertible Defects in Higher Dimensions
David Hofmeier, Giovanna Pimenta, Weiguang Cao
We study gauging interfaces and their defect descendants in lattice models with generalized symmetries in higher dimensions. We construct explicit interface Hamiltonians for gaugin…
cond-mat.str-el2024
Spin-Peierls instability of deconfined quantum critical points
David Hofmeier, Josef Willsher, Urban F. P. Seifert +1
Deconfined quantum critical points (DQCPs) are putative phase transitions beyond the Landau paradigm with emergent fractionalized degrees of freedom. The original example of a DQCP…