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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3496
DTSTART:20150123T213000Z
DTEND:20150123T223000Z
DTSTAMP:20260416T145046Z
LAST-MODIFIED:20150120T154001Z
LOCATION:2241 Chamberlin Hall (coffee at 4:30 pm)
SUMMARY:Entanglement\, Bell's Inequality\, Trapped Ions\, and Quantum 
 Computing\, Physics Department Colloquium\, Chris Monroe\, JQI\, Unive
 rsity of Maryland
DESCRIPTION:Quantum entanglement is the central resource behind Quantu
 m Information Science\, and the quantification of entanglement followi
 ng John Bell's famous inequalities 50 years ago have become tremendous
 ly important in the field.  Some of the cleanest demonstrations of Bel
 l-Inequality violations have been measured in laser-cooled trapped ato
 mic ions\, an experimental platform that has become the standard for q
 uantum bits in a quantum information processor.  I will summarize the 
 state-of-the-art in generating entangled states in several trapped ion
 s for quantum information processing and also the quantum simulation o
 f models of quantum magnetism. Scaling to larger numbers can be accomp
 lished by coupling trapped ion qubits to optical photons\, where entan
 glement can be formed over remote distances for applications in quantu
 m communication\, quantum teleportation\, and distributed quantum comp
 utation.  By employing such a modular and reconfigurable architecture\
 , it should be possible to scale up ion trap quantum networks to usefu
 l dimensions\, and hopefully extend Bell's seminal work to the charact
 erization of massive entangled states that cannot even be represented 
 using a classical computer.
URL:https://www.physics.wisc.edu/events/?id=3496
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