#=====================================================
material Vacuum metal
#### two temperature  ####################
#### drift diffusion #####################
electric_field linear
#permittivity           1.0
permittivity 1.085 # estimate based on speed of light in Cu and Cu's relative permeability of 1
end
end
#=====================================================
material Cu metal
 heat_capacity constant
  capacity 0.211977459280654
 end
 heat_flux linear
  conductivity 67.4479848
 end
 electron_heat_capacity linear no_density
  #capacity 6.8439866929411762e-05 # value from TTM paper divided by bulk electron density in Cu
  capacity 5.8294334393503992e-05 # source 96.8 J m^-3 K^-2 in Lin & Zhigilei 08 (ref 47), converted to AtC units and divided by bulk electron density in Cu, NOTE:  should not be multiplied by electron effective mass, only electron number density
 end
 electron_heat_flux linear
  conductivity 441.362750535
 end
 electron_phonon_exchange hertel
  debeye_temperature 343.5 # source wikipedia 
  mass_enhancement 0.08 # source Hertel 2002, ref 62
 end
 electric_field linear
  permittivity 1.085 # estimate based on speed of light in Cu and Cu's relative permeability of 1
 end
 effective_mass constant
  inv_effective_mass 0.8997 # source:  Tolman & Stewart, 1916
 end
 electron_drag linear
  inv_momentum_relaxation_time 100. # order of magnitude estimate for metals ~ 10^-14 s
 end
 electron_flux convection
 end
 end
 electron_recombination linear
  inv_relaxation_time    0.0
  equilibrium_carrier_density 0.0
 end
end