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Theory of tunnelling into and from cuprates

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preprint
posted on 2006-04-04, 12:33 authored by A.S. Alexandrov
A single-particle spectral density is proposed for cuprates taking into account the bipolaron formation, realistic band structure, thermal fluctuations and disorder. Tunnelling and photoemission (PES) spectra are described, including the temperature independent gap observed both in the superconducting and normal states, the emission/injection asymmetry, the finite zero-bias conductance, the spectral shape in the gap region and its temperature and doping dependence, dip-hump incoherent asymmetric features at high voltage (tunnelling) and large binding energy (PES).

History

School

  • Science

Department

  • Physics

Pages

136938 bytes

Publication date

1998

Notes

This is a pre-print. It is also available at: http://arxiv.org/abs/cond-mat/9804295.

Language

  • en

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