XCPhotonFunctional
XCPhotonFunctional
Section Hamiltonian::XC
Type integer
Default 0
Defines the exchange and correlation functionals to be used for the QEDFT
description of the electron-photon system.
Options:
-    none: 
No functional is used
 -    photon_x_lda: 
Exchange-only local density approcimation
 -    photon_xc_lda: 
Exchange-correlation local density approcimation
 -    photon_x_wfn: 
Exchange-only based on wave functions
 -    photon_xc_wfn: 
Exchange-correlation based on wave functions