Modified Krein Formula and Analytic Perturbation Procedure for Scattering on Arbitrary Junction

2009 ◽  
pp. 3-26
Author(s):  
V. Adamyan ◽  
B. Pavlov ◽  
A. Yafyasov
Keyword(s):  
Perturbation Procedure ◽  
Analytic Perturbation

Correlation in the Ground State of He Atom

1981 ◽  
Vol 36 (3) ◽  
pp. 272-275 ◽  
Author(s):  
Subal Chandra Saha ◽  
Sankar Sengupta
Keyword(s):  
Ground State ◽  
Zero Order ◽  
Consistent Variation ◽  
Hartree Fock ◽  
Perturbation Procedure ◽  
Self Consistent ◽  
He Atom ◽  
Atomic Parameters

It is possible to reproduce the entire results of Pekeris et al. of different atomic parameters for the He atom by introducing (ll) type correlation in a self consistent variation perturbation procedure using the Hartree-Fock (HF) wavefunction as the zero-order wavefunction

Analytic perturbation of operators in Banach spaces

1951 ◽  
Vol 124 (1) ◽  
pp. 317-333 ◽  
Author(s):  
Franti?ek Wolf
Keyword(s):  
Banach Spaces ◽  
Analytic Perturbation

Concurrent multiple-state analytic perturbation theory via supersymmetry

2011 ◽  
Vol 52 (4) ◽  
pp. 042101
Author(s):  
Sharmistha Dhatt ◽  
Kamal Bhattacharyya
Keyword(s):  
Perturbation Theory ◽  
Analytic Perturbation Theory ◽  
Analytic Perturbation ◽  
Multiple State
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