On the Two-Center Expansion of an Arbitrary Function
- 1 May 1971
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 45 (5) , 1458-1465
- https://doi.org/10.1143/ptp.45.1458
Abstract
A systematic method of derivation, based on the algebra of irreducible tensors, is given of the two-center expansion of an arbitrary function of the distance. A direct application of the method is made to the case of Rn, n being a positive or negative integer. The obtained result has such an elementary form that it has wide applications to practical purposes.Keywords
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