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SUMMARY:Entangled states of trapped ions for quantum simulations and quant
 um logic spectroscopy - Christian Roos (Institut fur Quantenoptik\, Innsbr
 uck)
DTSTART:20121029T153000Z
DTEND:20121029T170000Z
UID:TALK40908@talks.cam.ac.uk
CONTACT:6270
DESCRIPTION:Strings of laser-cooled trapped ions can be precisely controll
 ed and \nmanipulated with coherent narrow-band laser light. The use of ent
 angling \nlaser-ion interactions opens up the prospect of simulating the p
 hysics \nof interacting spins. I will present experiments that we have car
 ried \nout with small ion crystals. In a second experiment with a two-spec
 ies \nion crystal\, we have demonstrated a novel type of quantum logic \ns
 pectroscopy. Using one ion that is easy to manipulate and to measure\, \nw
 e detect whether a second ion has scattered a single photon by \npreparing
  the two ion crystal in a non-classical state of motion
LOCATION:Rutherford building\, Seminar Room B
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