material Ar real heat_capacity constant capacity 0.000000063363 end electron_heat_capacity constant capacity 0.000000063363 end heat_flux linear conductivity 0.0000000030111 end electron_heat_flux linear conductivity 0.0000000030111 end electron_phonon_exchange linear coefficient 0.00000000001 end end material Null real heat_capacity constant capacity 1.0 end electron_heat_capacity constant capacity 1.0 end heat_flux linear conductivity 0.0 end electron_heat_flux linear conductivity 0.0 end electron_phonon_exchange linear coefficient 0.0 end end