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  Triatomic butterfly molecules

Eiles, M. T., Fey, C., Hummel, F., & Schmelcher, P. (2020). Triatomic butterfly molecules. Journal of Physics B: Atomic, Molecular and Optical Physics; IOP Publishing, Bristol, 53(8): 084001. doi:10.1088/1361-6455/ab73af.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-497C-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-497D-D
Genre: Journal Article

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1909.02141.pdf (Preprint), 3MB
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 Creators:
Eiles, Matthew T.1, Author              
Fey, Christian2, Author
Hummel, Frederic2, Author
Schmelcher, Peter2, Author
Affiliations:
1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              
2external, ou_persistent22              

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 Abstract: We detail the rich electronic and vibrational structure of triatomic 'butterfly' molecules, ultra-long-range Rydberg molecules bound by resonant p-wave scattering. We divide these molecules into two sub-classes depending on their parity under reflection of the electronic wave function through the molecular plane. The trimers with odd reflection parity have smoothly varying, non-oscillatory potential energy surfaces except near the collinear configuration. Here, the vibrational wave function is confined tightly in the symmetric-stretch and bending modes, but only loosely in the asymmetric stretch mode. The trimers with even reflection parity exhibit far richer potential surfaces with abundant minima, but only a few of these are deep enough to localize the vibrational states. These minima are correlated with the electronic wave functions of the butterfly dimer, contributing to a building principle for trimers.

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 Dates: 2020-03-162020-04-01
 Publication Status: Published in print
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 Identifiers: ISI: 000521470000001
DOI: 10.1088/1361-6455/ab73af
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Title: Journal of Physics B: Atomic, Molecular and Optical Physics; IOP Publishing, Bristol
Source Genre: Journal
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Pages: - Volume / Issue: 53 (8) Sequence Number: 084001 Start / End Page: - Identifier: ISSN: 0953-4075