Dynamic polarizabilities and magic wavelengths for dysprosium

Details Dynamic polarizabilities and magic wavelengths for dysprosium Dynamic polarizabilities and magic wavelengths for dysprosium

2010-11-22

arxiv.org/abs/1011.4738v1

Physics

Atomic Physics

6 papers, 3 figures

Scientific paper

We theoretically study dynamic scalar polarizabilities of the ground and select long-lived excited states of dysprosium, a highly magnetic atom recently laser cooled and trapped. We demonstrate that there are a set of magic wavelengths of the unpoarized lattice laser field for each pair of states which includes the ground state and one of these excited states. At these wavelengths, the energy shift due to laser field is the same for both states, which can be useful for resolved sideband cooling on narrow transitions and precision spectroscopy. We present an analytical formula which, near resonances, allows for the determination of approximate values of the magic wavelengths without calculating the dynamic polarizabilities of the excited states.

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