Abstract
The temperature-dependent resistivity of Rb-doped single-crystal ${\mathrm{C}}_{60}$ is analyzed within Bloch-Boltzmann transport theory yielding values of the electron-phonon coupling constant consistent with a superconducting ${\mathit{T}}_{\mathit{c}}$\ensuremath{\approxeq}30 K and isotope effect exponent \ensuremath{\alpha}\ensuremath{\approxeq}0.37 as long as the coupling is not primarily to the on-ball phonons of highest frequency. Disparate sources of information regarding the absolute magnitude of the resistivity are discussed in an attempt to form a more unified picture of the normal state and superconducting properties of both K-doped and Rb-doped ${\mathrm{C}}_{60}$.
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