Ramakumar, R.; Das, A. - In: The European Physical Journal B - Condensed Matter and … 41 (2004) 2, pp. 197-200
We present a theoretical study of superconductivity of polarons in the Hubbard-Holstein model. A residual kinematic interaction proportional to the square of the polaron hopping energy between polarons and phonons provides a pairing field for the polarons. We find that superconducting...