Past Event

Physics Colloquia: Monika Schleier-Smith (Stanford)

September 12, 2022
12:30 PM - 1:30 PM
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Center for Theoretical Physics (Pupin Hall 8th Floor)

The power of quantum information lies in its capacity to be non-local, encoded in correlations among entangled particles.  Yet our ability to produce, understand, and exploit such correlations is hampered by the fact that the interactions between particles are ordinarily local.  To circumvent this limitation in the laboratory, we let distant atoms “talk” to each other with the aid of photons that act as messengers.  By tailoring the spectrum of an optical control field, we program the spin-spin couplings in an array of atomic ensembles, thereby accessing frustrated interaction graphs, exotic geometries, and new entangled states. These advances in control open prospects in areas ranging from quantum technologies to fundamental physics.  I will touch on implications for quantum-enhanced sensing, quantum computation, and simulating quantum gravity.

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