Operating two exchange-only qubits in parallel.

Authors: Mądzik MT, Luthi F, Guerreschi GG, Mohiyaddin FA, Borjans F, Chadwick JD, Curry MJ, Ziegler J, Atanasov S, Bavdaz PL, Connors EJ, Corrigan J, Ercan HE, Flory R, George HC, Harpt B, Henry E, Islam MM, Khammassi N, Keith D, Lampert LF, Mladenov TM, Morris RW, Nethwewala A, Neyens S, Otten R, Osuna Ibarra LP, Patra B, Pillarisetty R, Premaratne S, Ramsey M, Risinger A, Rooney JD, Savytskyy R, Watson TF, Zietz OK, Matsuura AY, Pellerano S, Bishop NC, Roberts J, Clarke JS.