Electron-phonon coupling in MgB2-like materials: its magnitude and its limits
AUTOR(ES)
Pickett, W. E.
FONTE
Brazilian Journal of Physics
DATA DE PUBLICAÇÃO
2003-12
RESUMO
That very strong coupling of the B-B bond-stretching E2g branch of phonons to the B 2psigma bonding hole states is responsible for the remarkable superconductivity in MgB2 is well established. This entirely new manner of driving the superconducting Tc to high levels requires additional analysis. Here recent findings, such as how this strong coupling is related to possible structural instability, are discussed, and investigation into the practical limits of such coupling is initiated.
Documentos Relacionados
- Electron-phonon scattering in graded quantum dots
- Effects from Gold Electrodes on the Electron-Phonon Coupling of Poly(p-phenylenevinylene) Films
- Spectral Diffusion and Electron-Phonon Coupling of the B800 BChl a Molecules in LH2 Complexes from Three Different Species of Purple Bacteria
- Electron-phonon interaction in electronic tunneling: from sequential rate equations to a coherent description
- Anisotropy in MgB2