[Pw_forum] LO-TO splitting in complete phonon dispersion using PWSCF

[Kondaiah Samudrala]

Dear Dr. Lorenzo Paulatto


Thank you for the conformation.. How can I distinguish the both
modes.. i.e whether LO or TO. Because, in the phonon dispersion plot,
I observed  that my GAMMA point having two numbers ( pls see the
values Gamma-X and M to Gamma directions...). Here with I am attaching
the plot.


Please suggest me sir


with regards

S. Appalakondaiah

PhD Schloar

University of Hyderabad
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