Ab initio calculations of quantum-defect parameters for alkaline earths

Pandey, K. C. ; Jha, Sudhanshu S. ; Armstrong, J. A. (1980) Ab initio calculations of quantum-defect parameters for alkaline earths Physical Review Letters, 44 (24). pp. 1583-1586. ISSN 0031-9007

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Official URL: http://link.aps.org/doi/10.1103/PhysRevLett.44.158...

Related URL: http://dx.doi.org/10.1103/PhysRevLett.44.1583

Abstract

Within the framework of the close-coupling method, ab initio calculations of parameters of multichannel quantum-defect theory have been carried out for several Rydberg series of Ca, Sr, and Ba. A local-density approximation, commonly used in solid-state calculations, including self-consistent, self-energy corrections, was made to the exchange-correlation potential. Good agreement with experimental values of multichannel quantum-defect theory parameters is obtained, permitting accurate prediction of highly excited-state binding energies.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:14001
Deposited On:12 Nov 2010 14:19
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