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quant-ph2003
Quantized phase shifts and a dispersive universal quantum gate
F. Schmidt-Kaler, H. Haeffner, S. Gulde +5
A single 40Ca+ ion is trapped and laser cooled to its motional ground state. Laser radiation which couples off-resonantly to a motional sideband of the ion's S1/2 to D5/2 transitio…
quant-ph2003
Tomography of entangled massive particles
C. F. Roos, G. P. T. Lancaster, M. Riebe +7
We report on tomographic means to study the stability of a qubit register based on a string of trapped ions. In our experiment, two ions are held in a linear Paul trap and are enta…