[Pw_forum] how to calculate phonon

[潭影空人心]

Dear all,    I calculated phonon spectrum with tr2_ph=1.0d-10 before, now I want to use tr2_ph=1.0d-12, may I do it continually instead of from the beginning?
    And may I calculate electron-phonon coupling after independent phonon calculation?
    Thank you!
Tan Lin
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