Physics – Atomic Physics
Scientific paper
1996-01-08
Physics
Atomic Physics
4 pages, Revtex format, 4 postscript figures, changed typographical errors
Scientific paper
10.1103/PhysRevA.53.R1966
A method for the experimental reconstruction of the quantum state of motion for a single trapped ion is proposed. It is based on the measurement of the ground state population of the trap after a sudden change of the trapping potential. In particular, we show how the Q function and the quadrature distribution can be measured directly. In an example we demonstrate the principle and analyze the sensibility of the reconstruction process to experimental uncertainties as well as to finite grid limitations. Our method is not restricted to the Lamb-Dicke Limit and works in one or more dimensions.
Blatt Rainer
Cirac Juan Ignacio
Poyatos Juan F.
Walser Reinhold
Zoller Peter
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