Collective excitations of a dipolar Bose-Einstein condensate

We have measured the effect of dipole-dipole interactions on the frequency of a collective mode of a Bose-Einstein condensate. At relatively large numbers of atoms, the experimental measurements are in good agreement with zero temperature theoretical predictions based on the Thomas-Fermi approach. E...

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Veröffentlicht in:	Physical review letters 2010-07, Vol.105 (4), p.040404-040404, Article 040404
Hauptverfasser:	Bismut, G, Pasquiou, B, Maréchal, E, Pedri, P, Vernac, L, Gorceix, O, Laburthe-Tolra, B
Format:	Artikel
Sprache:	eng
Schlagworte:	ASPECT RATIO ATOMIC MODELS ATOMS BOSE-EINSTEIN CONDENSATION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COLLECTIVE EXCITATIONS Condensed Matter DIMENSIONLESS NUMBERS DIPOLES ENERGY-LEVEL TRANSITIONS EXCITATION GEOMETRY INTERACTIONS MATHEMATICAL MODELS MATHEMATICS MODIFICATIONS MULTIPOLES Physics Quantum Gases Quantum Physics SIMULATION THOMAS-FERMI MODEL TRAPPING
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