Electronic cooling in graphene.

  title={Electronic cooling in graphene.},
  author={Rafi Bistritzer and Allan H. MacDonald},
  journal={Physical review letters},
  volume={102 20},
Energy transfer to acoustic phonons is the dominant low-temperature cooling channel of electrons in a crystal. For cold neutral graphene we find that the weak cooling power of its acoustic modes relative to their heat capacity leads to a power-law decay of the electronic temperature when far from equilibrium. For heavily doped graphene a high electronic temperature is shown to initially decrease linearly with time at a rate proportional to n;{3/2} with n being the electronic density. The… CONTINUE READING



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