Light electron doping of MgB2 is predicted to raise Tc in the clean limit, with the enhancement traced to the quantum-geometric component of the electron-phonon coupling that peaks near the Γ-point band edge.
Liang , author T
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Quantum geometry and critical temperature enhancement in MgB$_2$ superconductivity
Light electron doping of MgB2 is predicted to raise Tc in the clean limit, with the enhancement traced to the quantum-geometric component of the electron-phonon coupling that peaks near the Γ-point band edge.