Spectroscopic studies of quantum solvation in [formula presented] clusters

Yunjie Xu, Wolfgang Jäger, Jian Tang, A. R.W. McKellar

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


High resolution microwave and infrared spectra of [Formula presented] clusters were studied in the range [Formula presented] to 12. The apparent cluster moments of inertia increase from [Formula presented] to 6, but then decrease, showing oscillatory behavior for [Formula presented] to 12. This provides direct experimental evidence for the decoupling of helium atoms from the rotation of the dopant molecule in this size regime, signaling the transition from a molecular complex to a quantum solvated system and directly exploring the microscopic evolution of “molecular superfluidity.”

Original languageEnglish
JournalPhysical Review Letters
Issue number16
Publication statusPublished - 2003
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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