An effective lower bound to eigenvalues

M. Cohen; T. Feldmann; R. P. McEachran

doi:10.1088/0022-3700/15/5/009

An effective lower bound to eigenvalues

M. Cohen^*, T. Feldmann, R. P. McEachran

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The authors propose an effective (but non-rigorous) formula for lower bounds to eigenvalues of a Hermitian operator. The procedure is similar to that of Temple, but obviates the need for a priori knowledge of the spectrum. It yields very accurate results for two-electron atoms and ions.

Original language	English
Article number	009
Pages (from-to)	677-682
Number of pages	6
Journal	Journal of Physics B: Atomic and Molecular Physics
Volume	15
Issue number	5
DOIs	https://doi.org/10.1088/0022-3700/15/5/009
State	Published - 1982

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An effective lower bound to eigenvalues

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