Generalized gradient-expansion approximation for the exchange energy

1991 ◽  
Vol 44 (19) ◽  
pp. 10921-10924 ◽  
Author(s):  
Marlina Slamet ◽  
Viraht Sahni
Keyword(s):  
Exchange Energy ◽  
Generalized Gradient ◽  
Gradient Expansion

Study of the density-gradient expansion for the exchange energy

1982 ◽  
Vol 26 (8) ◽  
pp. 4371-4377 ◽  
Author(s):  
V. Sahni ◽  
J. Gruenebaum ◽  
J. P. Perdew
Keyword(s):  
Density Gradient ◽  
Exchange Energy ◽  
Gradient Expansion

Gradient expansion of the Coulomb exchange energy

1981 ◽  
Vol 302 (2) ◽  
pp. 103-106 ◽  
Author(s):  
E. K. U. Gross ◽  
R. M. Dreizler
Keyword(s):  
Exchange Energy ◽  
Gradient Expansion

Gradient expansion of the exchange energy from an approximate density‐potential relation

1986 ◽  
Vol 85 (7) ◽  
pp. 4203-4204 ◽  
Author(s):  
Marcelo Galván ◽  
José Luis Gázquez
Keyword(s):  
Exchange Energy ◽  
Gradient Expansion
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