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Volumn 74, Issue 18, 1995, Pages 3592-3595

Laser spectroscopy of alkali-doped helium clusters

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EID: 5844346496     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.74.3592     Document Type: Article
Times cited : (161)

References (36)
  • 21
  • 22
    • 84927471631 scopus 로고    scopus 로고
    • This estimate is made assuming that each alkali pickup adds to the cluster ∼103K of energy and that ∼6 K are needed to evaporate a He atom from the cluster.
  • 34
    • 84927504910 scopus 로고
    • (1980) , vol.73 , pp. 3520
  • 35
    • 84927465095 scopus 로고    scopus 로고
    • Upon electronic excitation the volume occupied by valence electrons increases very rapidly. When this happens the molecule-cluster complex finds itself in a region of highly repulsive potential energy and dissociates. Since, on average, singlet molecules are initially located at a shorter distance from the cluster than triplet molecules or ground state atoms, the repulsive coupling to phonons is likely to be greater for them than for the other species. Finally, we note that according to Ref. [c28] the alkali atoms (and molecules) produce little “dimples” on the surface of liquid helium. These dimples are the equivalent of what would be the “bubble” carved by the atoms where they sit inside the liquid. Their existence makes the absence of shifts in our spectra more noteworthy.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.