Issue |
Europhys. Lett.
Volume 62, Number 4, May 2003
|
|
---|---|---|
Page(s) | 575 - 581 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2003-00389-2 | |
Published online | 01 May 2003 |
STM spectra of
and
impurities
in moderately doped
cuprates: The Kondo perspective
Research Centre for Mathematical and Physical Sciences, Chittagong University
Chittagong, Bangladesh
Corresponding author: m_a_maj@indiatimes.com
Received:
3
June
2002
Accepted:
27
February
2003
We have given detailed explanation of the STM spectra of
impurity in superconducting BSCCO, including accurate
verification of numerical data, by assuming that the spinless
impurity is a Kondo hole at its two-channel fixed point. The
impurity is assumed to be at its one-channel fixed point
in order to explain its STM spectra. These assumptions are
justified by extensive experimental evidence that the moderately
doped cuprate crystal is a Kondo lattice.
PACS: 74.25.Jb – Electronic structure / 74.20.Mn – Nonconventional mechanisms (spin fluctuations, polarons and bipolarons, resonating valence bond model, anyon mechanism, marginal Fermi liquid, Luttinger liquid, etc.) / 75.30.Mb – Valence fluctuation, Kondo lattice, and heavy-fermion phenomena
© EDP Sciences, 2003
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