.TH "sc::PBEXFunctional" 3 "Sun Oct 4 2020" "Version 2.3.1" "MPQC" \" -*- nroff -*- .ad l .nh .SH NAME sc::PBEXFunctional \- Implements the Perdew-Burke-Ernzerhof (PBE) exchange functional\&. .SH SYNOPSIS .br .PP .PP \fC#include \fP .PP Inherits \fBsc::DenFunctional\fP\&. .SS "Public Member Functions" .in +1c .ti -1c .RI "\fBPBEXFunctional\fP (const \fBRef\fP< \fBKeyVal\fP > &)" .br .ti -1c .RI "\fBPBEXFunctional\fP (\fBStateIn\fP &)" .br .ti -1c .RI "void \fBsave_data_state\fP (\fBStateOut\fP &)" .br .RI "Save the base classes (with save_data_state) and the members in the same order that the \fBStateIn\fP CTOR initializes them\&. " .ti -1c .RI "int \fBneed_density_gradient\fP ()" .br .ti -1c .RI "void \fBpoint\fP (const \fBPointInputData\fP &, \fBPointOutputData\fP &)" .br .in -1c .SS "Protected Member Functions" .in +1c .ti -1c .RI "void \fBspin_contrib\fP (const \fBPointInputData::SpinData\fP &, double &mpw, double &dmpw_dr, double &dmpw_dg)" .br .ti -1c .RI "void \fBinit_constants\fP ()" .br .in -1c .SS "Protected Attributes" .in +1c .ti -1c .RI "double \fBmu\fP" .br .ti -1c .RI "double \fBkappa\fP" .br .in -1c .SS "Additional Inherited Members" .SH "Detailed Description" .PP Implements the Perdew-Burke-Ernzerhof (PBE) exchange functional\&. John P\&. Perdew, Kieron Burke, and Yue Wang, Phys\&. Rev\&. B, 54(23), pp\&. 16533-16539, 1996\&. .PP John P\&. Perdew, Kieron Burke, and Matthias Ernzerhof, Phys\&. Rev\&. Lett\&., 77(18), pp\&. 3865-3868 1996\&. .PP See also the comment and reply discussing the revPBE modification which adjusts the value of kappa: .PP Yingkai Zhang and Weitao Yang, Phys\&. Rev\&. Lett\&., 80(4), pp\&. 890, 1998\&. .PP John P\&. Perdew, Kieron Burke, and Matthias Ernzerhof, Phys\&. Rev\&. Lett\&., 80(4), pp\&. 891, 1998\&. .br .SH "Member Function Documentation" .PP .SS "void sc::PBEXFunctional::save_data_state (\fBStateOut\fP &)\fC [virtual]\fP" .PP Save the base classes (with save_data_state) and the members in the same order that the \fBStateIn\fP CTOR initializes them\&. This must be implemented by the derived class if the class has data\&. .PP Reimplemented from \fBsc::DenFunctional\fP\&. .SH "Author" .PP Generated automatically by Doxygen for MPQC from the source code\&.