Abstract
A series of measurements of decoherence and wave-packet dephasing between two colliding, strongly coupled, identical Bose-Einstein condensates was reported. A suppression of the mean-field shift was measured in the strong-excitation regime. The suppression was explained by applying the Gross-Pitaevskii energy functional. The oscillations for which both inhomogeneous and Doppler broadening were strongly suppressed were observed by selectively counting only the nondecohered fraction in a time-of-flight image. It was observed that collisions can be extracted if no post-selection is used.
| Original language | English |
|---|---|
| Article number | 033615 |
| Pages (from-to) | 033615-1-033615-5 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 70 |
| Issue number | 3 |
| DOIs | |
| State | Published - Sep 2004 |
| Externally published | Yes |
Bibliographical note
Funding Information:PRLTAO 0031-9007 10.1103/PhysRevLett.87.270405 87 , 270405 ( 2001 ). This work was supported in part by the Israel Ministry of Science, the Israel Science Foundation, and the Minerva Foundation.
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