Multi-resonant spinor dynamics in a Bose-Einstein condensate

Details Multi-resonant spinor dynamics in a Bose-Einstein condensate Multi-resonant spinor dynamics in a Bose-Einstein condensate

2009-02-12

arxiv.org/abs/0902.2058v3

Phys. Rev. Lett. 103, 195302 (2009)

Physics

Quantum Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.103.195302

We analyze the spinor dynamics of a Rb-87 F=2 condensate initially prepared in the m_F=0 Zeeman sublevel. We show that this dynamics, characterized by the creation of correlated atomic pairs in m_F=+/-1, presents an intriguing multi-resonant magnetic field dependence induced by the trap inhomogeneity. This dependence is directly linked to the most unstable Bogoliubov spin excitations of the initial m_F = 0 condensate, showing that, in general, even a qualitative understanding of the pair creation efficiency in a spinor condensate requires a careful consideration of the confinement.

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