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Marker Lecture: Quantum Simulations of Magnetism with Trapped Ions

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Christopher Monroe, University of Maryland
When
31 March 2017 from 11:00 AM to 12:00 PM
Where
339 Davey Laboratory
Contact Name
David Weiss
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Trapped atomic ions are a versatile and very clean platform for the quantum programming of interacting spin models and the study of quantum magnetism.  When spin-dependent optical dipole forces are applied to a collection of trapped ions, an effective long-range quantum magnetic interaction arises, with reconfigurable and tunable graphs.  This has allowed the study of equilibrium properties of frustrated transverse Ising or XY models with up to 25 trapped ion spins along with spectroscopic studies of excited states and quench dynamics.  Recently we have studied many body non-thermalization processes in this system, from prethermalization to many body localization (MBL).  Finally, by applying a periodically driven Floquet Hamiltonian tempered with a MBL Hamiltonian, we have observed features of a discrete "time crystal."

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