Probing the quantum ground state of a spin-1 Bose-Einstein condensate with cavity transmission spectra
arXiv:0907.1200 · doi:10.1103/PhysRevA.80.043623
Abstract
We propose to probe the quantum ground state of a spin-1 Bose-Einstein condensate with the transmission spectra of an optical cavity. By choosing a circularly polarized cavity mode with an appropriate frequency, we can realize coupling between the cavity mode and the magnetization of the condensate. The cavity transmission spectra then contain information of the magnetization statistics of the condensate and thus can be used to distinguish the ferromagnetic and antiferromagnetic quantum ground states. This technique may also be useful for continuous observation of the spin dynamics of a spinor Bose-Einstein condensate.
6 pages, 1 figure
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- Imaging of quantum Hall states in ultracold atomic gases
- Nonlinear Floquet dynamics of spinor condensates in an optical cavity: Cavity-amplified parametric resonance
- Measurement back-action on the quantum spin-mixing dynamics of a spin-1 Bose-Einstein condensate
- Spin-dependent Bragg spectroscopy of a spinor Bose gas
- Bound state of solution of Dirac-Coulomb problem with spatially dependent mass