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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-2688
DTSTART:20121106T170000Z
DURATION:PT1H0M0S
DTSTAMP:20260418T074734Z
LAST-MODIFIED:20121024T131122Z
LOCATION:5280 Chamberlin
SUMMARY:Long Range\, Cold Rydberg Atom Molecules and Interactions\, At
 omic Physics Seminar\, James Shaffer\, University of Oklahoma
DESCRIPTION:Ultraold Rydberg gases are a promising system for explorin
 g many ideas in the area of quantum computation\, quantum optics\, nov
 el states of matter\, and many-body physics.  A key to understanding u
 ltracold Rydberg gases and making progress in these exciting direction
 s is to understand how Rydberg atoms interact with other atoms. We wil
 l review our understanding of Rydberg interactions including the effec
 t of external fields. We will focus on describing interactions that le
 ad to 2 types of novel molecule formation\, so called 'trilobite' mole
 cules and macrodimers. We have recently observed 'trilobite' molecules
  in an ultracold Cs gas and found that these molecules possess dipole 
 moments in excess of 30D. In prior work\, we detected electric field t
 unable Cs macrodimer molecules\, molecules with bond lengths of ~5 mic
 rons. In this talk\, we will compare and contrast these exotic forms o
 f matter as well as try to place their study in the context of underst
 anding Rydberg atom interactions quantitatively. 
URL:https://www.physics.wisc.edu/events/?id=2688
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