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Quantum simulation of 2D spin models in a linear chain of trapped ions

Thursday May 2, 2019
3:30 pm

 Presenter:  K. Rajibul Islam, IQC
 Series:  CQuIC Seminars
 Abstract:  Laser-cooled trapped ions have proven to be a leading technology for quantum information processing. Qubits or spin-states encoded in the electronic states of ions can be initialized and measured with near perfection and have a long coherence time that can exceed several minutes. While ions are most readily trapped in a linear chain, laser-induced and phonon-mediated long range interactions between spins offer a compelling possibility to engineer arbitrary spin-spin interaction graphs. In this talk, I will describe experimentally feasible analog and analog-digital hybrid protocols to simulate 2D spin lattices, in principle arbitrarily programmable, in a linear chain of ions. Technically, this requires highly precise optical engineering to manipulate individual ion spins. I'll also introduce 'QuantumIon', an open-access multi-user quantum computer that we are building at Waterloo.
 Host:  Sayonee Ray
 Location:  Room 190, Physics & Astronomy

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