Diverging Giant Magnetoresistance in the Limit of Infinitely Conducting Spacer

Soumen Mandal, R. C. Budhani, Jiaqing He +1

The relevance of pair-breaking by exchange and dipolar fields, and by injected spins in a low carrier density cuprate Y${}_{1-x}$Pr${}_x$Ba${}_2$Cu${}_3$O${}_7$ sandwiched between two ferrom…