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Simulation of quantum many-body dynamics with Tensor Processing Units: Floquet prethermalization
Alan Morningstar, Markus Hauru, Jackson Beall +4
Tensor Processing Units (TPUs) are specialized hardware accelerators developed by Google to support large-scale machine-learning tasks, but they can also be leveraged to accelerate…
A comment on "Discrete time crystals: rigidity, criticality, and realizations"
Vedika Khemani, Roderich Moessner, S. L. Sondhi
The Letter by N. Y. Yao et. al. [1,2] presents three models for realizing a many-body localized discrete time-crystal (MBL DTC): a short-ranged model [1], its revised version [2],…
Observation of Time-Crystalline Eigenstate Order on a Quantum Processor
Xiao Mi, Matteo Ippoliti, Chris Quintana +102
Quantum many-body systems display rich phase structure in their low-temperature equilibrium states. However, much of nature is not in thermal equilibrium. Remarkably, it was recent…
Avalanches and many-body resonances in many-body localized systems
Alan Morningstar, Luis Colmenarez, Vedika Khemani +2
We numerically study both the avalanche instability and many-body resonances in strongly-disordered spin chains exhibiting many-body localization (MBL). We distinguish between a fi…
Tri-unitary quantum circuits
Cheryne Jonay, Vedika Khemani, Matteo Ippoliti
We introduce a novel class of quantum circuits that are unitary along three distinct "arrows of time". These dynamics share some of the analytical tractability of "dual-unitary" ci…
Fractal, logarithmic and volume-law entangled non-thermal steady states via spacetime duality
Matteo Ippoliti, Tibor Rakovszky, Vedika Khemani
The extension of many-body quantum dynamics to the non-unitary domain has led to a series of exciting developments, including new out-of-equilibrium entanglement phases and phase t…