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recalculate W for EVGW0?

Posted: Fri Jan 17, 2025 2:20 pm
by xiaoming_wang

Hello,

I was wondering why for EVGW0 calculations (NELMGW>1), the W would be recalculated for each GW step, as evidenced by the time stamp of the output WFULL* files? My input is as follows:

Code: Select all

ENCUT    =   500 eV
PREC     =   N
LREAL    =   FALSE
GGA      =   PE

ISMEAR   =   0
SIGMA    =   0.05
EDIFF    =   1.e-8

NBANDS = 1024
ALGO = EVGW0
NELMGW = 4
ENCUTGW = 250
PRECFOCK = Fast
NOMEGA = 128 
NBANDSGW = 1024

I noticed that for every GW step, the W matrices would be recalculated and printed out, which wastes a lot of time.

Best,
Xiaoming Wang