Physics – Atomic Physics
Scientific paper
1998-10-23
Phys.Rev.Lett. 82 (1999) 2844
Physics
Atomic Physics
4 pages, 2 postscript figures, psfig.sty, revtex
Scientific paper
10.1103/PhysRevLett.82.2844
We propose to observe the Efimov effect experimentally by applying an external electric field on atomic three-body systems. We first derive the lowest order effective two-body interaction for two spin zero atoms in the field. Then we solve the three-body problem and search for the extreme spatially extended Efimov states. We use helium trimers as an illustrative numerical example and estimate the necessary field strength to be less than 2.7 V/angstrom.
Fedorov Dmitry V.
Jensen Andreas Schmidt
Nielsen Edward
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