Inhomogeneous Charge Distribution and Superconductivity in the Boson-Fermion Model

• Authors: Ż. Śledź , M. Mierzejewski
• Languages of publication: EN

Abstracts

EN

We analyze a boson-fermion model that accounts for the electrostatic potential of the out-of-plane dopant atoms. We investigate whether this approach may explain recent experimental results obtained for the Bi-based high-temperature superconductors. We demonstrate that in contradistinction to purely fermionic models, even weak electrostatic potential of the dopant atoms may be responsible for a significant modulation of the superconducting order parameter.

Keywords

EN

74.20.-z; 74.62.Dh

Discipline

• 74.20.-z: Theories and models of superconducting state
• 74.62.Dh: Effects of crystal defects, doping and substitution(for specific crystal defects, see 61.72.-y)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 114
• Issue: 1
• Pages: 219-223

Dates

published

2008-07

received

2007-11-06

Contributors

author

Ż. Śledź

• Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland

author

M. Mierzejewski

• Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland

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Identifiers

DOI

10.12693/APhysPolA.114.219