High temperature superconductivity in Pd-[H(D)]_x system

Abstract

A theoretical model involving phonon and lochon (local charged boson) mediated pairing of electrons in Pd(H/D)_x is suggested to explain the possible observation of superconductivity in the range 51K≤ T_c≤ 295K (when x exceeds unity). In the combined mechanism the lochons have transient existence on (H⁺/D⁺) resulting in (H⁻/D⁻) species. The coupling parameter λ₁ for lochon induced processes depend linearly on x. The model explains the observation of the enhancement of T_c for x varying from 0.6 to 1.6. While the experimental observations are of great importance, it is desirable that other experimental groups confirm the results.