Physics – Condensed Matter – Quantum Gases
Scientific paper
2011-08-05
Phy. Rev. A, 84, 13619 (2011)
Physics
Condensed Matter
Quantum Gases
7 pages and 8 figures
Scientific paper
10.1103/PhysRevA.84.013619
We consider a two-component Bose-Einstein condensate, which contains atoms with magnetic dipole moments aligned along the $z$ direction (labeled as component 1) and nonmagnetic atoms (labeled as component 2). The problem is studied by means of exact numerical simulations. The effects of dipole-dipole interaction on phase separations are investigated. It is shown that, in the quasi-one-dimensional regime, the atoms in component 2 are squeezed out when the dimensionless dipolar strength parameter is small, whereas the atoms in component 1 are pushed out instead when the parameter is large. This is in contrast to the phenomena in the quasi-two-dimensional regime. These two components are each kicked out by the other in the quasi-one-dimensional regime and this phenomenon is discussed as well.
Li Jinbin
Shi Da-Ning
Xi Kui-Tian
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