[Pw_forum] electron-phonon interaction Spectral function a2F(w) is negative.

李晓川 18733462676 at 163.com
Fri May 3 14:05:41 CEST 2013


Dear all:
         When i computed the electron-phonon interaction,the a2F(w) was negative but approching to zero,for example:
 0.00913
0.00364
3.5E-4
-9.8E-4
-0.00113
-8.4E-4
-5.6E-4
-5.2E-4
-7.5E-4
  My question is how much does it effect the electron-phonon coupling constant and Tc.
Thanks for your answers. 
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