quantum-espresso/EPW/examples/gan/phonons/ph.in

---
 &inputph
  recover=.true.
  tr2_ph=1.0d-14,
  prefix='gan',
  amass(1)=69.723,
  amass(2)=14.007,
  outdir='./',
  fildyn='gan.dyn',
  fildvscf='dvscf'
  ldisp=.true.,
  epsil=.true.,
  nq1=6, nq2=6, nq3=6
 /