Fig. 8

(a) The setup with two superconducting films forming a 90° angle. Three sets of coils are placed inside: two side coils and one center coil. (b) The simulated magnetic field with the three coils turned on.

(a) The setup with two superconducting films forming a 90° angle. Three sets of coils are placed inside: two side coils and one center coil. (b) The simulated magnetic field with the three coils turned on.