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Quantum and classical Floquet prethermalization
Wen Wei Ho, Takashi Mori, Dmitry A. Abanin +1
Time-periodic (Floquet) driving is a powerful way to control the dynamics of complex systems, which can be used to induce a plethora of new physical phenomena. However, when applie…
An efficient method for quantum impurity problems out of equilibrium
Julian Thoenniss, Michael Sonner, Alessio Lerose +1
We introduce an efficient method to simulate dynamics of an interacting quantum impurity coupled to non-interacting fermionic reservoirs. Viewing the impurity as an open quantum sy…
Kagome chiral spin liquid in transition metal dichalcogenide moiré bilayers
Johannes Motruk, Dario Rossi, Dmitry A. Abanin +1
At filling of the moiré flat band, transition metal dichalcogenide moiré bilayers will develop kagome charge order. We derive an effective spin model for the resulting loca…
Simulation Complexity of Many-Body Localized Systems
Adam Ehrenberg, Abhinav Deshpande, Christopher L. Baldwin +2
We use complexity theory to rigorously investigate the difficulty of classically simulating evolution under many-body localized (MBL) Hamiltonians. Using the defining feature that…
Non-equilibrium quantum impurity problems via matrix-product states in the temporal domain
Julian Thoenniss, Alessio Lerose, Dmitry A. Abanin
Describing a quantum impurity coupled to one or more non-interacting fermionic reservoirs is a paradigmatic problem in quantum many-body physics. While historically the focus has b…
Optimal steering of matrix product states and quantum many-body scars
Marko Ljubotina, Barbara Roos, Dmitry A. Abanin +1
Ongoing development of quantum simulators allows for a progressively finer degree of control of quantum many-body systems. This motivates the development of efficient approaches to…