Fast generating W state of three superconducting qubits via Lewis–Riesenfeld invariants
Yu Lin, Xu Jing, Wu Jin-Lei, Ji Xin
       

(color online) Effects of the variations in the equal parameters on the final fidelity. (a) Final fidelity versus and . (b) Final fidelity versus and . (c) Final fidelity versus and . (d) Final fidelity versus and .