Toward the detection of spin-vortex-induced loop currents in a single bilayer Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ thin film and their possible use as qubits: Model calculations for three nano-island architecture

Hayato Taya, Yuto Takatsu, Hiroyasu Koizumi

A theory for cuprate superconductivity predicts the existence of nano-sized loop currents called, ``spin-vortex-induced loop currents (SVILCs)''. In this wok, we first calculate ma…