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Tree tensor networks for many-body localization in two dimensions
Lars Humpert, Dante M. Kennes, Jan-Niklas Herre
We investigate the disordered spin-Heisenberg model in two dimensions and employ tree tensor networks (TTNs) with a physics-informed structural optimization of the tree la…
Angle evolution of the superconducting phase diagram in twisted bilayer WSe2
Yinjie Guo, John Cenker, Ammon Fischer +13
Recent observations of superconductivity in twisted bilayer WSe have extended the family of moiré superconductors beyond twisted graphene. In WSe two different twist angles…
Numerical investigation of electrostatically confined excitons in monolayer
Lefan Dolg, Moritz Scharfstädt, Andrea Bergschneider +2
We investigate exciton confinement to a quantum wire in monolayer where the confinement is achieved by a p-i-n junction. We employ an effective-mass exciton model a…
Anyonic Chern insulator in graphene induced by surface electromagnon vacuum fluctuations
Xinle Cheng, Emil Viñas Boström, Frank Y. Gao +3
Sub-wavelength cavities have emerged as a promising platform to realize strong light-matter coupling in condensed matter systems. Previous studies are limited to dielectric sub-wav…
Floquet Engineering Magnetism and Superconductivity in the Square-Lattice Hubbard Model
Jan-Niklas Herre, Takuya Okugawa, Ammon Fischer +2
We study the interplay of magnetic order and superconductivity in the square-lattice Hubbard model under periodic driving with circularly polarized light. Formulating diagrammatic…
Magnetic Ordering in Moiré Graphene Multilayers from a Continuum Hartree+U Approach
Christopher T. S. Cheung, Valerio Vitale, Lennart Klebl +5
Recently, symmetry-broken ground states, such as correlated insulating states, magnetic order and superconductivity, have been discovered in twisted bilayer graphene (tBLG) and twi…