Physics – Quantum Physics
Scientific paper
2007-03-13
Laser Physics 17, 903-907 (2007).
Physics
Quantum Physics
5 pages, one figure, submitted to Laser Physics, special issue in memory of Herbert Walther
Scientific paper
10.1134/S1054660X0707002X
The spatial coherence of an atomic wavepacket can be detected in the scattered photons, even when the center-of-mass motion is in the quantum coherent superposition of two distant, non-overlapping wave packets. Spatial coherence manifests itself in the power spectrum of the emitted photons, whose spectral components can exhibit interference fringes as a function of the emission angle. The contrast and the phase of this interference pattern provide information about the quantum state of the center of mass of the scattering atom.
Canizares Priscilla
Görler Tobias
Morigi Giovanna
Paz Juan Pablo
Schleich Wolfgang
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