Open AccessNegative scattering length of ultracoldLi 7
Author(s) -
A. J. Moerdijk,
William C. Stwalley,
Randall G. Hulet,
B. J. Verhaar
Publication year - 1994
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.72.40
Subject(s) - physics , diatomic molecule , scattering , ground state , hyperfine structure , atomic physics , quantum mechanics , molecule
We have improved the theoretical triplet ground-state potential of Li27 by means of an inverse perturbation analysis, and find that the diatomic scattering length for Li7 atoms in the F=2, mF=2 ground-state hyperfine level is negative. The consequences of this result for achieving Bose-Einstein condensation in a trapped ultracold Li7 gas sample are addressed
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