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Events at Physics

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Events During the Week of April 12th through April 19th, 2020

Monday, April 13th, 2020

No events scheduled

Tuesday, April 14th, 2020

No events scheduled

Wednesday, April 15th, 2020

No events scheduled

Thursday, April 16th, 2020

R. G. Herb Condensed Matter Seminar
*CANCELLED* TBD
Time: 10:00 am
Place: 5310 Chamberlin Hall
Speaker: Nadya Mason, UIUC
Host: Alex Levchenko
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Friday, April 17th, 2020

Atomic Physics Seminar
Virtual AMO Seminar Series
"Atom arrays of ultracold strontium: new tools for metrology and many-body physics "
Time: 2:00 pm
Place: Zoom link will be available here: https://sites.google.com/stanford.edu/virtual-amo-seminar/schedule
Speaker: Adam Kaufman, JILA/CU/NIST
Abstract: The development of microscopic detection of ensembles of neutral atoms has transformed our ability to study complex many-body systems. Techniques like quantum gas microscopy and optical tweezer arrays grant a unique single-particle-resolved perspective on solid-state analogs and idealized quantum spin models, as well as novel detection capabilities for quantities like entanglement. In this talk, I will describe our progress towards developing these tools for a new atomic species, strontium. In doing so, we establish new prospects enabled by the rich internal degrees-of-freedom associated with alkaline-earth atoms. I will report on our recent results in which we apply our platform to optical atomic clocks, a new application of optical tweezer arrays which indicates a number of strengths for metrology. In particular, I will describe our strategies for reaching arrays with hundreds of tweezers with sub-Hz atom-optical coherence, 41 seconds of atomic coherence, and atomic stability on par with the state-of-the-art. I will then describe our parallel progress towards engineering entanglement on an optical clock transition, as well as new scaling strategies involving atom-by-atom assembly in optical lattice potentials.
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Physics Department Colloquium
*CANCELLED* TBD
Time: 3:30 pm
Place: 2241 Chamberlin Hall
Speaker: Nadya Mason, UIUC
Host: Alex Levchenko
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