I am currently facing an issue in the calculation of Tc of MgB2 using electron-phonon coupling. I followed the exercise of Pb done during the 2018 electron phonon school to my system, all the calculations went on smoothly with no error, i plotted the phonon dispersion plot, there is no imagininary freqeuncy. I tried to calculate Tc but I got NaN values for both omega_log and T_c values in lambda.out and all values are NaN in alpha2F.dat
i am puzzled, search all available resources there is no possible explanations or solution. Please, if any one has suggestions or has encountered such issue pls guide me through. Thank you very much. Mukhtar Lawan Adam National Synchroton Radiation Lab., University of Science and Technology of China.
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