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Quantum many-body dynamics in two dimensions with artificial neural networks
Markus Schmitt, Markus Heyl
The efficient numerical simulation of nonequilibrium real-time evolution in isolated quantum matter constitutes a key challenge for current computational methods. This holds in par…
Real-time dynamics of string breaking in quantum spin chains
Roberto Verdel, Fangli Liu, Seth Whitsitt +2
String breaking is a central dynamical process in theories featuring confinement, where a string connecting two charges decays at the expense of the creation of new particle-antipa…
Homogeneous Floquet time crystal protected by gauge invariance
Angelo Russomanno, Simone Notarnicola, Federica Maria Surace +3
We show that homogeneous lattice gauge theories can realize nonequilibrium quantum phases with long-range spatiotemporal order protected by gauge invariance instead of disorder. We…
Disentangling Sources of Quantum Entanglement in Quench Dynamics
Lorenzo Pastori, Markus Heyl, Jan Carl Budich
Quantum entanglement may have various origins ranging from solely interaction-driven quantum correlations to single-particle effects. Here, we explore the dependence of entanglemen…
Stabilizing a discrete time crystal against dissipation
Leon Droenner, Regina Finsterhölzl, Markus Heyl +1
Eigenstate phases such as the discrete time crystal exhibit an inherent instability upon the coupling to an environment, which restores equipartition of energy and therefore acts a…
Measuring complex partition function zeroes of Ising models in quantum simulators
Abijith Krishnan, Markus Schmitt, Roderich Moessner +1
Studying the zeroes of partition functions in the space of complex control parameters allows to understand formally how critical behavior of a many-body system can arise in the the…