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Journal Article

Rotational and rotationless states of weakly-bound molecules

MPS-Authors
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Lemeshko,  Mikhail
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Friedrich,  Bretislav
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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429378.pdf
(Any fulltext), 97KB

0904.0567v2.pdf
(Preprint), 172KB

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Citation

Lemeshko, M., & Friedrich, B. (2009). Rotational and rotationless states of weakly-bound molecules. Physical Review A, 79(5): 050501. doi:10.1103/PhysRevA.79.050501.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-F920-7
Abstract
By making use of the quantization rule of Raab and Friedrich [P. Raab and H. Friedrich, Phys. Rev. A 78, 022707 (2008)], we derive simple and accurate formulae for the number of rotational states supported by a weakly-bound vibrational level of a diatomic molecule and the rotational constants of any such levels up to the threshold, and provide a criterion for determining whether a given weakly-bound vibrational level is rotationless. The results depend solely on the long-range part of the molecular potential and are applicable to halo molecules.