Ultracold metastable helium: Ramsey fringes and atom interferometry

W. Vassen,R. P. M. J. W. Notermans,R. J. Rengelink,R. F. H. J. van der Beek

Applied Physics B（2016）

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摘要

We report on interference studies in the internal and external degrees of freedom of metastable triplet helium atoms trapped near quantum degeneracy in a 1.5 m optical dipole trap. Applying a single π /2 rf pulse we demonstrate that 50

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关键词

Helium Atom,Isotope Shift,Atomic Beam,Fine Structure Constant,Dipole Trap

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