Superconducting critical temperature for realistic couplings
Georgios Varelogiannis
DOI 10.1103/PhysRevB.51.3941 · Physical Review B
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Abstract
We have calculated exactly the critical temperature, within the conventional Eliashberg framework, for realistic couplings. Our more precise analytic calculation leads naturally to a Tc higher than that given by McMillan’s formula, which is generally used. We give an accurate formula for Tc in the coupling region λ≤1.
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