hi
i caI calculated the phonon dispersion by the elk-1.4.22 version, i noticed that all frequency is positive but by new version is the opposite (negative frequency), and with the same file in,?
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hi
i caI calculated the phonon dispersion by the elk-1.4.22 version, i noticed that all frequency is positive but by new version is the opposite (negative frequency), and with the same file in,?