I use the "dipole_sp" to calculate the transport of graphene, but i see the problem in epw2.out, i do not know how to solve it.
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Temp Fermi Elec density Population SR Drift Elec mobility
[K] [eV] [cm^-2] [e per cell] [cm^2/Vs]
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Error in routine prtmob (1):
The carrier density is 0
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stopping ...
How to solve teh problem " Error in routine prtmob (1): The carrier density is 0"
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