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{
"vfeff": "feff version number",
"vf85e": "feff8l release number",
"nabs": "2nd term of CFAVERAGE in feff.inp; number of absorbers to include in the configuration average",
"iphabs": "1st term of CFAVERAGE in feff.inp; potential index of absorber for configuration average",
"rclabs": "3rd term of CFAVERAGE in feff.inp; radius for making atom list about each absorber in the configuration average",
"ipol": "boolean, true=do polarization calculation",
"ispin": "first term from SPIN in feff.inp; 0=spin independent, +/-1=XMCD, +/-2=spin polarized DOS and XAS",
"le2": "1st term from MULTIPOLES in feff.inp; 0=only dipole, 1=dipole+magnetic dipole, 2=dipole+quadrupole",
"elpty": "1st term from ELLIPTICITY in feff.inp; eccentricity ",
"angks": "angle between x-ray propagation and spin (default=0)",
"evec": "arguments of POLARIZATION in feff.inp; polarization vector",
"xivec": "last three terms from ELLIPTICITY in feff.inp; incident direction",
"spvec": "last three terms from SPIN in feff.inp; spin direction of central atom",
"ptz0": "first (-1) row of polarization tensor, 6 values that map onto three complex numbers"
"ptz1": "second (0) row of polarization tensor, 6 values that map onto three complex numbers"
"ptz2": "third (1) row of polarization tensor, 6 values that map onto three complex numbers"
"_comments": [
"can be ignored in feff8l: nabs, iphabs, rclabs, ispin, le2m angks, spvec",
"used in feff8l: ipol, elpty, evec, xivec, ptz0, ptz1, ptz2"
]
}
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