Destruction of the Fermi surface in underdoped high-Tc superconductors

  title={Destruction of the Fermi surface in underdoped high-Tc superconductors},
  author={M. R. Norman and Hongming Ding and Mohit Randeria and Juan Carlos Campuzano and Takayoshi Yokoya and Tsunehiro Takeuchi and Tomo Takahashi and Takashi Mochiku and Kazuo Kadowaki and Prasenjit Guptasarma and David Hinks},
The Fermi surface—the set of points in momentum space describing gapless electronic excitations—is a central concept in the theory of metals. In this context, the normal ‘metallic’ state of the optimally doped high-temperature superconductors is not very unusual: above the superconducting transition temperature, Tc, there is evidence for a large Fermi surface, despite the absence of well-defined elementary excitations. In contrast, the normal state of underdoped high-temperature superconductors… CONTINUE READING
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