9 papers
The range of non-Kitaev terms and fractional particles in RuCl
Yiping Wang, Gavin B. Osterhoudt, Yao Tian +12
Significant efforts have focused on the magnetic excitations of relativistic Mott insulators, predicted to realize the Kitaev quantum spin liquid (QSL). This exactly solvable model…
Dynamics of a two-dimensional quantum spin-orbital liquid: spectroscopic signatures of fermionic magnons
Willian M. H. Natori, Johannes Knolle
We provide an exact study of dynamical correlations for the quantum spin-orbital liquid phases of an SU(2)-symmetric Kitaev honeycomb lattice model. We show that the spin dynamics…
Quantum Many-Body Scars in Optical Lattices
Hongzheng Zhao, Joseph Vovrosh, Florian Mintert +1
The concept of quantum many-body scars has recently been put forward as a route to describe weak ergodicity breaking and violation of the Eigenstate Thermalization Hypothesis. We p…
Engineered Nearest-Neighbour Interactions with Doubly Modulated Optical Lattices
Hongzheng Zhao, Johannes Knolle, Florian Mintert
Optical lattice systems provide exceptional platforms for quantum simulation of many-body systems. We focus on the doubly modulated Bose-Hubbard model driven by both time-dependent…
Floquet Time Spirals and Stable Discrete Time Quasi-Crystals in Quasi-Periodically Driven Quantum Many-Body Systems
Hongzheng Zhao, Florian Mintert, Johannes Knolle
We analyse quasi-periodically driven quantum systems that can be mapped exactly to periodically driven ones and find Floquet Time Spirals in analogy with spatially incommensurate s…
Orbital Magnetic Field Effects in Mott Insulators with Strong Spin-Orbit Coupling
Willian M. H. Natori, Roderich Moessner, Johannes Knolle
We study the effect of a magnetic field on the low energy description of Mott insulators with strong spin-orbit (SO) coupling. In contrast to the standard case of the Hubbard model…