# SEARCH

** Adiabatic generalized gradient approximations **

** Density functional generalized gradient approximation **

** Density functional theory generalized gradient approximation **

** Density generalized-gradient approximation **

** Exchange-correlation energy generalized gradient approximation **

** Exchange-correlation functional generalized gradient approximation **

** Functional Generalized Gradient Approximation **

** General gradient approximation **

** Generalized gradient approximation (GGA **

** Generalized gradient approximation Becke **

** Generalized gradient approximation GGA), exchange-correlation **

** Generalized gradient approximation Perdew **

** Generalized gradient approximation application **

** Generalized gradient approximation asymptotic corrections **

** Generalized gradient approximation cluster calculations **

** Generalized gradient approximation correlation wave functions **

** Generalized gradient approximation energy **

** Generalized gradient approximation exchange-correlation **

** Generalized gradient approximation generalization **

** Generalized gradient approximation local hybrid **

** Generalized gradient approximation methods **

** Generalized gradient approximation relativistic form **

** Generalized gradient approximations GGAs) **

** Generalized gradient approximations exchange correlation functionals **

** Gradient approximation generalization **

** History of Several Generalized Gradient Approximations **

** Meta-Generalized gradient approximation **

** Perdew-Wang 1991 generalized-gradient approximation **