what do "n_spin" and "n_spinor" mean in module electrons
Posted: Wed Oct 11, 2023 7:53 pm
Dear Yambo team,
I have a simple question about Yambo code.
On one calculation, I used Quantum ESPRESSO to do a SOC and noncollinear calculation, in which I set "nspin=4" in this QE calculation.
However, when I use Yambo to initialize from the QE results, in the r_setup file, I got
" Spinor components : 2
Spin polarizations : 1 "
Spinor = 2 is understandable. but why " Spin polarizations : 1 " ?
Moreover, when I use TDDFT ALDA to do calculations, I got "n_spin=2". The "n_spin" is defined in module electrons and was used in subroutine TDDFT_ALDA_G_space(E,k).
So why I got "n_spin=2" in subroutine TDDFT_ALDA_G_space(E,k)? and why I got "Spin polarizations : 1" in the r_setup file?
Another question, there is "n_spinor" also defined in module electrons. Is "n_spinor" the same as " Spinor components : 2" in the r_setup file?
Appreciate your help very much!
Best,
Hong
I have a simple question about Yambo code.
On one calculation, I used Quantum ESPRESSO to do a SOC and noncollinear calculation, in which I set "nspin=4" in this QE calculation.
However, when I use Yambo to initialize from the QE results, in the r_setup file, I got
" Spinor components : 2
Spin polarizations : 1 "
Spinor = 2 is understandable. but why " Spin polarizations : 1 " ?
Moreover, when I use TDDFT ALDA to do calculations, I got "n_spin=2". The "n_spin" is defined in module electrons and was used in subroutine TDDFT_ALDA_G_space(E,k).
So why I got "n_spin=2" in subroutine TDDFT_ALDA_G_space(E,k)? and why I got "Spin polarizations : 1" in the r_setup file?
Another question, there is "n_spinor" also defined in module electrons. Is "n_spinor" the same as " Spinor components : 2" in the r_setup file?
Appreciate your help very much!
Best,
Hong