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Fourth-order gradient corrections to the relativistic Thomas-Fermi-Weizsäcker model

Fourth-order gradient corrections to the relativistic Thomas-Fermi-Weizsäcker model We present a calculation of the fourth-order gradient corrections to the noninteracting kinetic energy of a relativistic system of electrons and positrons. The basis of the calculation is a recently published algorithm for the generation of the gradient expansion of the Green’s function of a field-theoretical system characterized by a Lagrangian with an effective external potential. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Fourth-order gradient corrections to the relativistic Thomas-Fermi-Weizsäcker model

Physical Review A , Volume 44 (11) – Dec 1, 1991
5 pages

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References (16)

Publisher
American Physical Society (APS)
Copyright
Copyright © 1991 The American Physical Society
ISSN
1094-1622
DOI
10.1103/PhysRevA.44.7165
Publisher site
See Article on Publisher Site

Abstract

We present a calculation of the fourth-order gradient corrections to the noninteracting kinetic energy of a relativistic system of electrons and positrons. The basis of the calculation is a recently published algorithm for the generation of the gradient expansion of the Green’s function of a field-theoretical system characterized by a Lagrangian with an effective external potential.

Journal

Physical Review AAmerican Physical Society (APS)

Published: Dec 1, 1991

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