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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:1
UID:UW-Physics-Event-5414
DTSTART:20200417T190000Z
DTEND:20200417T200000Z
DTSTAMP:20260406T044749Z
LAST-MODIFIED:20200414T194622Z
LOCATION:Zoom link will be available here: https://sites.google.com/st
 anford.edu/virtual-amo-seminar/schedule
SUMMARY:Atom arrays of ultracold strontium: new tools for metrology an
 d many-body physics \, Atomic Physics Seminar\, Adam Kaufman\, JILA/CU
 /NIST
DESCRIPTION:The development of microscopic detection of ensembles of n
 eutral atoms has transformed our ability to study complex many-body sy
 stems. Techniques like quantum gas microscopy and optical tweezer arra
 ys 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 plat
 form to optical atomic clocks\, a new application of optical tweezer a
 rrays which indicates a number of strengths for metrology. In particul
 ar\, 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 w
 ill then describe our parallel progress towards engineering entangleme
 nt on an optical clock transition\, as well as new scaling strategies 
 involving atom-by-atom assembly in optical lattice potentials. 
URL:https://www.physics.wisc.edu/events/?id=5414
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