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Phonons, electron-phonon coupling and superconductivity in Mo Sb ...

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to f<strong>in</strong>d an answer, we calculate the T c<br />

us<strong>in</strong>g two formulas:<br />

●<br />

●<br />

What is a mechanism of <strong>superconductivity</strong> <strong>in</strong> <strong>Mo</strong> 3<br />

<strong>Sb</strong> 7<br />

?<br />

<strong>electron</strong>-<strong>phonon</strong> or <strong>electron</strong>-paramagnon <strong>in</strong>teraction<br />

the McMillan formula (<strong>electron</strong>-<strong>phonon</strong> <strong>coupl<strong>in</strong>g</strong> - EPC)<br />

the formula <strong>in</strong>clud<strong>in</strong>g the <strong>in</strong>teraction of <strong>electron</strong> with paramagnons<br />

The <strong>electron</strong>-<strong>phonon</strong> <strong>coupl<strong>in</strong>g</strong><br />

EPC constant - λ ph<br />

The <strong>electron</strong>ic structure – the <strong>electron</strong>ic part of the EPC constant<br />

McMillan-Hopfield parameters η i<br />

The <strong>phonon</strong> dispersion relations – the <strong>phonon</strong> part of the EPC constant<br />

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