English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Open

The well-known Pavarini et al. [Phys. Rev. Lett. 87, 047003 (2001)]correlation between the critical temperature $T_{c,\,\mathrm{max}}$ and theshape of the Fermi contour of the optimally hole-doped cuprates is explainedwithin the framework of the BCS theory with Kondo exchange interactionincorporated as a pairing mechanism. The strong influence of the relativeposition of the Cu4$s$ level with respect to the Cu3$d_{x^2-y^2}$ level on thecritical temperature $T_c$ reveals why the $s$-$d$ hybridization of theconduction band is so important. This hybridization is proportional to the$s$-$d$ exchange scattering amplitude between the conduction electrons -- themechanism of d-wave pairing in the CuO$_2$ plane. In other words the Kondointeraction considered as a pairing mechanism in the CuO$_2$ plane gives anatural explanation of the correlation between the critical temperature and theshape of the Fermi contour. We have a hint that possibly the long soughtpairing mechanism has possibly been found and the Kondo exchange interaction asa property of strongly correlated quantum matter deserves further attention inthe physics of layered cuprates.

Kondo $s$-$d$ exchange in the CuO$_2$ plane as the long sought interaction determining $T_c$ in cuprates