ar X iv : c on d - m at / 0 20 53 78 v 1 1 7 M ay 2 00 2 Formation of a Matter - Wave Bright Soliton
نویسنده
چکیده
We report the production of matter-wave solitons in an ultra-cold Li gas. The effective interaction between atoms in a Bose-Einstein condensate is tuned with a Feshbach resonance from repulsive to attractive before release in a one-dimensional optical waveguide. Propagation of the soliton without dispersion over a macroscopic distance of 1.1 mm is observed. A simple theoretical model explains the stability region of the soliton. These matter-wave solitons open fascinating possibilities for future applications in coherent atom optics, atom interferometry and atom transport.
منابع مشابه
ar X iv : 0 70 5 . 12 53 v 1 [ m at h . A C ] 9 M ay 2 00 7 DUALITIES AND INTERSECTION MULTIPLICITIES
Let R be a commutative, noetherian, local ring. Topological Q– vector spaces modelled on full subcategories of the derived category of R are constructed in order to study intersection multiplicities.
متن کاملar X iv : 0 80 5 . 10 03 v 1 [ m at h . SP ] 7 M ay 2 00 8 GEODESICS ON WEIGHTED PROJECTIVE SPACES
We study the inverse spectral problem for weighted projective spaces using wave-trace methods. We show that in many cases one can “hear” the weights of a weighted projective space.
متن کاملar X iv : a st ro - p h / 02 05 14 0 v 1 9 M ay 2 00 2 Dynamics of Dark - Matter Cusps
Formation and disruption of dark-matter cusps are reviewed. Accumulation of baryons at the center of a halo can displace the dark matter, converting singular density cusps into low-density cores. The displaced mass can be of order ∼ 10M• with M• the mass of the infalling population. If M• is identified with the masses of the black holes currently observed at the centers of bright galaxies, pred...
متن کاملar X iv : c on d - m at / 0 10 30 52 v 1 2 M ar 2 00 1 NMR Frequencies of a Splay Soliton in 3 He - A
Superfluid 3 He-A has domain-wall like structures, which are called solitons. We calculate numerically the structure of a splay soliton and study its effect on the NMR spectrum by calculating the frequency and the amplitude of the soliton peaks. We compare the results with experiments and discuss their implications on the basic parameters of 3 He.
متن کاملar X iv : 0 70 5 . 36 08 v 1 [ he p - th ] 2 4 M ay 2 00 7 d = 4 + 1 gravitating nonabelian solutions with bi - azimuthal symmetry
We construct static, asymptotically flat solutions of SU(2) Einstein-Yang-Mills theory in 4 + 1 dimensions, subject to bi-azimuthal symmetry. Both particle-like and black hole solutions are considered for two different sets of boundary conditions in the Yang–Mills sector, corresponding to multisolitons and soliton-antisoliton pairs. For gravitating multi-soliton solutions, we find that their ma...
متن کامل