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Coexistence of Charge Density Waves and d-Wave Superconductivity in Cuprates. Sharing of the Fermi Surface
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August 31, 2010
Abstract
A self-consistent theory that describes charge density waves in a partially dielectrically gapped superconductor with dx2–y2-pairing has been proposed. The dependences of dielectric, Σ, and superconducting, Δ, order parameters on the temperature and other problem parameters have been considered, and the phase diagram has been built. The corresponding angular diagrams for gap distribution over the Fermi surface have been plotted. The developed theory is used for the explanation of properties of high-temperature oxides. The influence of mismatch angle between the lobes of order parameters Σ and Δ on the gap distribution in the momentum space and the reentrance phenomenon for Σ with respect to temperature has been analyzed.
Published Online: 2010-08-31
Published in Print: 2010-11
© by Oldenbourg Wissenschaftsverlag, Kiev, Germany
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Keywords for this article
Charge density waves;
$d$-wave superconductivity;
Order parameter reentrance
Articles in the same Issue
- Preface: 3rd International Symposium on Structure-Property Relationships in Solid State Materials (SPSSM-2010)
- Structures and negative thermal expansion properties of the one-dimensional cyanides, CuCN, AgCN and AuCN
- From phase-change materials to thermoelectrics?
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- Local structure of TiNiCu(Hf) shape memory alloys: XAFS data analysis
- Ce valence in intermetallic compounds by means of XANES spectroscopy
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- The coherent state and its relation to the flat/steep band model
- The layered ferromagnet Cs2AgF4: Antiferromagnetic inter-layer coupling driven by magnetic dipole-dipole interactions
- High-spin to Intermediate-spin Transition, Insulator-metal Transition, and Antiferro- to Ferromagnetic Transition in SrFeO2 under High Pressure
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