Coexistence of superconductivity and ferromagnetism in ferromagnetic metals

N. I. Karchev, K. B. Blagoev, K. S. Bedell +1

In this paper we address the question of coexistence of superconductivity and ferromagnetism in the high temperature superconductor RuSr${}_2$GdCu${}_2$O${}_{8-\delta }$. Using a field theoret…