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# BSEFATBAND

From Vaspwiki

This file contains the first NBSEEIG eigenvectors of the BSE matrix.

The structure of the **BSEFATBAND** file has a line and collumn structure:

- st line: Number of e-h pairs in the BSE basis and value for NBSEEIG.
- nd line: the BSE eigenvalue
- Following lines: BSE eigenvector, columns 1-3: k-point coordinates, column 4: hole eigenvalue, column 5: electron eigenvalue, column 6: absolute value of coupling coefficient, column 7: hole orbitalnumber, column 8: electron orbitalnumber, column 9: real part of coupling coefficient, column 10: imaginary part of coupling coefficient.