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Phys Rev Lett
; 84(24): 5462-5, 2000 Jun 12.
Article
in English
| MEDLINE
| ID: mdl-10990970
ABSTRACT
Bragg diffraction of atoms by light waves can create high momentum components in a Bose-Einstein condensate. Collisions between atoms from two distinct momentum wave packets cause elastic scattering that can remove a significant fraction of atoms from the wave packets and cause the formation of a spherical shell of scattered atoms. We develop a slowly varying envelope technique that includes the effects of this loss on the condensate dynamics described by the Gross-Pitaevski equation. Three-dimensional numerical calculations are presented for two experimental situations: passage of a moving daughter condensate through a nonmoving parent condensate, and four-wave mixing of matter waves.
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Phys Rev B Condens Matter
; 53(8): 4855-4869, 1996 Feb 15.
Article
in English
| MEDLINE
| ID: mdl-9984048
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Phys Rev B Condens Matter
; 45(3): 1488-1491, 1992 Jan 15.
Article
in English
| MEDLINE
| ID: mdl-10001639
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