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Ultraslow Growth of Number Entropy in an l-bit Model of Many-Body Localization
David Aceituno Chávez, Claudia Artiaco, Thomas Klein Kvorning +2
We demonstrate that slow growth of the number entropy following a quench from a local product state is consistent with many-body localization. To do this we construct a random circ…
Efficient Large-Scale Many-Body Quantum Dynamics via Local-Information Time Evolution
Claudia Artiaco, Christoph Fleckenstein, David Aceituno Chávez +2
During time evolution of many-body systems entanglement grows rapidly, limiting exact simulations to small-scale systems or small timescales. Quantum information tends however to f…
Tower of two-dimensional scar states in a localized system
Michael Iversen, Jens H. Bardarson, Anne E. B. Nielsen
The eigenstate thermalization hypothesis describes how most isolated many-body quantum systems reach thermal equilibrium. However, the hypothesis is violated by phenomena such as m…
Interacting Local Topological Markers: A one-particle density matrix approach for characterizing the topology of interacting and disordered states
Julia D. Hannukainen, Miguel F. Martínez, Jens H. Bardarson +1
While topology is a property of a quantum state itself, most existing methods for characterizing the topology of interacting phases of matter require direct knowledge of the underl…
Symmetry fractionalization, mixed-anomalies and dualities in quantum spin models with generalized symmetries
Heidar Moradi, Ömer M. Aksoy, Jens H. Bardarson +1
We investigate the gauging of higher-form finite Abelian symmetries and their sub-groups in quantum spin models in spatial dimensions and 3. Doing so, we naturally uncover ga…