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Two-Electron Excitation of an Interacting Cold Rydberg Gas

Millen, J.; Lochead, G.; Jones, M.P.A.

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Authors

J. Millen

G. Lochead



Abstract

We report the creation of an interacting cold Rydberg gas of strontium atoms. We show that the excitation spectrum of the inner valence electron is sensitive to the interactions in the Rydberg gas, even though they are mediated by the outer Rydberg electron. By studying the evolution of this spectrum we observe density-dependent population transfer to a state of higher angular momentum l. We determine the fraction of Rydberg atoms transferred, and identify the dominant transfer mechanism to be l-changing electron-Rydberg collisions associated with the formation of a cold plasma.

Citation

Millen, J., Lochead, G., & Jones, M. (2010). Two-Electron Excitation of an Interacting Cold Rydberg Gas. Physical Review Letters, 105(21), Article 213004. https://doi.org/10.1103/physrevlett.105.213004

Journal Article Type Article
Publication Date Nov 1, 2010
Deposit Date Nov 7, 2011
Publicly Available Date Mar 29, 2024
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 105
Issue 21
Article Number 213004
DOI https://doi.org/10.1103/physrevlett.105.213004

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Copyright Statement
© 2010 American Physical Society





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