Low-density superconductivity in SrTiO${}_3$ bounded by the adiabatic criterion

Hyeok Yoon, Adrian G. Swartz, Shannon P. Harvey +6

SrTiO${}_3$ exhibits superconductivity for carrier densities $10^{19}-10^{21}$ cm${}^{-3}$. Across this range, the Fermi level traverses a number of vibrational modes in the system, ma…