We have investigated the expansion of a Bose-Einstein condensate of strongly magnetic chromiumatoms. The long-range and anisotropic magnetic dipole-dipole interaction leads to an anisotropicdeformation of the expanding chromium condensate which depends on the orientation of the atomicdipole moments. Our measurements are consistent with the theory of dipolar quantum gases and show thata chromium condensate is an excellent model system to study dipolar interactions in such gases.
Observation of Dipole-Dipole Interaction in a Degenerate Quantum Gas
M Fattori;
2005
Abstract
We have investigated the expansion of a Bose-Einstein condensate of strongly magnetic chromiumatoms. The long-range and anisotropic magnetic dipole-dipole interaction leads to an anisotropicdeformation of the expanding chromium condensate which depends on the orientation of the atomicdipole moments. Our measurements are consistent with the theory of dipolar quantum gases and show thata chromium condensate is an excellent model system to study dipolar interactions in such gases.File in questo prodotto:
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