Phys. Rev. A 32, 2044–2050 (1985)Closed-form expressions for the Dirac-Coulomb radial rt integralsReceived 25 March 1985; published in the issue dated October 1985 A novel procedure is devised in order to obtain closed-form expressions of the Dirac-Coulomb radial rt integrals in terms of the Dirac energy ɛ={1+Z2α2/[v+(k2-Z2 α2)1/2]2}-1/2, where v=n-‖k‖, and of the Dirac quantum number k=(-1)j+l+1/2(j+(1/2)). In this procedure, well adapted for symbolic computation, the fundamental array of the rt radial integrals is obtained from the rt-1 array. © 1985 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.32.2044
DOI:
10.1103/PhysRevA.32.2044
PACS:
31.15.+q, 11.10.Qr
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