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Ijraset Journal For Research in Applied Science and Engineering Technology

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Relativity of Pseudo-Spherical Concept and Hartree-Fock Concept for Condensed Matter

Authors: K. G. Kolhe

DOI Link: https://doi.org/10.22214/ijraset.2022.46529

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Abstract

The function Fn,l (r) ;the radial part of of the pseudo-wave function ?k (r, ? , ? ) is expressed in terms of ion-core electron density, ?n,l (r) and its relation with the radial part Pn,l (r ) of Hartree- Fock wave function. A new mathematical function psl (x) called as pseudo-spherical function has been developed which is similar to other mathematical functions, and helpful in determining many types of electron densities. The physical and mathematical developments on various aspects such as functional densities have been described. It is further emphasized that Fn,l (r) and Pn,l (r) functions and core electron density at different electronic states of the atom that both the functions posses strong correlationship. Study concludes that the present development resulted into an innovative simpler path in the orientation of condensed matter as well as Mathematical Physics.

Introduction

Conclusion

1) The given relationship is a strong evidence which relates the Pseudo spherical concept and Hartree Fock concept. The present pseudo –wave functional description follows fully the frame work of pseudo-potential theory, which gives orientation to the physical problems of Condensed matter Physics. 2) The wave function Fn,l (r) may describe directly the dynamics of pseudo-atom in a simple way as compared to Hartree or Hartree-Fock approaches. Fn,l(r) function is also more suitable and open an easy way for finding core electron density ?n,l (r) of metals.

References

[1] B.J.Austin V.Heine and I.J.Sham,Phys. Rev. 127,276 (1962) [2] W.A.Harrison, Phys.Rev.,131,2433(1963),Pseudopotential Theory of Metals Benjamin.,Inc.,New York,(1966) [3] D.R. Hartree, The calculations of Atomic structure ,John Wiley and Sons,Inc., Newyork 1957.p.58 [4] G.N.Watson,Theory of Bessel functions,2nd Ed. Macmillan NewYork,1945 [5] W.W.Piper,Phys.Rev.123,12 81(1961) [6] C.F.Fischer,The Hartree-Fock method for atoms, John Wiley and Sons Inc.Newyork,1957 p.58. [7] R.W.Shaw and W.A. Harrision,Phys.Rev. 163 ,604 (1967)

Copyright

Copyright © 2022 K. G. Kolhe . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Authors : KISHOR KOLHE

Paper Id : IJRASET46529

Publish Date : 2022-08-29

ISSN : 2321-9653

Publisher Name : IJRASET

DOI Link : Click Here

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International Journal for Research in Applied Science and Engineering Technology (IJRASET) is an international peer reviewed, online journal published for the enhancement of research in various disciplines of Applied Science & Engineering Technologies.

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