Strong electron-phonon interaction in multiband superconductors


Dolgov, O.V. and Golubov, A.A. (2008) Strong electron-phonon interaction in multiband superconductors. Physical Review B: Condensed matter and materials physics, 77 (21). p. 214526. ISSN 1098-0121

open access
Abstract:We discuss the effects of anisotropy on superconducting critical temperature and order parameter in a strongly coupled regime. The multiband representation is used as a model for anisotropy. We show that strong-coupling effects in multiband superconductors lead to pair breaking due to interband coupling because soft phonon modes play the same role as static impurities. This effect makes the order parameters in different bands equal to each other and limits the upper bound on critical temperature.
Item Type:Article
Copyright:© 2008 American Physical Society
Science and Technology (TNW)
Research Group:
Link to this item:
Official URL:
Export this item as:BibTeX
HTML Citation
Reference Manager


Repository Staff Only: item control page

Metis ID: 252476