abinit/tests/v7/Input/t35.abi

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#################################################################
# Automatic test for ABINIT: #
# Electron positron Doppler broadening calculation #
# within PAW #
# #
# Al, 4 atoms in the box M.T. Sept. 2014 #
#################################################################
positron -10 ! Electron/positron GS calculation
! within self-consistent 2-component DFT
posdoppler 1 ! Activation of Doppler broadening calculation
! Choose one of the electron-positron correlation functionals
ixcpositron 11
# Common input parameters
! Unit cell
acell 3*4.05 angstrom
rprim 1.0 0.0 0.0
0.0 1.0 0.0
0.0 0.0 1.0
ntypat 1 natom 4 typat 4*1
znucl 13
xred 0.0 0.0 0.0
0.5 0.5 0.0
0.5 0.0 0.5
0.0 0.5 0.5
chkprim 0
! K-points and occupations
kptopt 1
ngkpt 4 4 4
occopt 7
nband 15
posocc 1.0 ! Occupation number for the positron (to be set <1 for bulk calculation with a small cell).
! Convergence parameters
ecut 8. pawecutdg 15.
nstep 50 tolvrs 1.d-10
! 2-component DFT parameters
postoldfe 1.d-6
posnstep 4
! Miscelaneous
prtwf 0 prteig 0 ! To save disk space
optforces 0 optstress 0 ! Not relevant here
pp_dirpath "$ABI_PSPDIR"
pseudos "Al.gga.uspp.paw"
#%%<BEGIN TEST_INFO>
#%% [setup]
#%% executable = abinit
#%% [files]
#%% files_to_test =
#%% t35.abo, tolnlines = 12, tolabs = 1.7e-2, tolrel = 1.0, fld_options = -easy
##%% t35o_DOPPLER, tolnlines = 0, tolabs = 0., tolrel = 0., fld_options = -easy
#%% [paral_info]
#%% max_nprocs = 4
#%% [extra_info]
#%% authors = M. Torrent
#%% keywords = PAW, positron
#%% description =
#%% Test of the computation of the electron-positron Doppler broadening
#%% (using the two-component DFT) within PAW.
#%% A cubic box with 4 Al atoms at experimental volume.
#%% Low cut-offs, few k-points.
#%% Computes the positron lifetime and well as the electron-positron
#%% pairs momentum distributions, after the SCF iterations.
#%% topics = positron
#%%<END TEST_INFO>