An alternative representation of bisoliton model of high temperature superconductivity

Abstract Davydov has clearly described in detail in his bisoliton mechanism of high temperature superconductivity [Phys. Rep. 190 (1990) 191; Phys. Status Solidi B 146 (1988) 619; Phys. Status Solidi B 148 (1988) 305]. In this article, we propose another representative form of the bisoliton mechanism simply and clearly for the compound YBa 2 Cu 3 O 7 by using Cu–O chain model.