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Excitations in the field-induced quantum spin liquid state of alpha-RuCl3
A. Banerjee, P. Lampen-Kelley, J. Knolle +14
The Kitaev model on a honeycomb lattice predicts a paradigmatic quantum spin liquid (QSL) exhibiting Majorana Fermion excitations. The insight that Kitaev physics might be realized…
Physics of the Kitaev model: fractionalization, dynamical correlations, and material connections
Maria Hermanns, Itamar Kimchi, Johannes Knolle
Quantum spin liquids have fascinated condensed matter physicists for decades because of their unusual properties such as spin fractionalization and long-range entanglement. Unlike…
Absence of Ergodicity without Quenched Disorder: from Quantum Disentangled Liquids to Many-Body Localization
Adam Smith, Johannes Knolle, Roderich Moessner +1
We study the time evolution after a quantum quench in a family of models whose degrees of freedom are fermions coupled to spins, where quenched disorder appears neither in the Hami…
Disorder-Free Localization
Adam Smith, Johannes Knolle, Dmitry L. Kovrizhin +1
The venerable phenomena of Anderson localization, along with the much more recent many-body localization, both depend crucially on the presence of disorder. The latter enters eithe…