S.
Furukawa
Cosmic, R. ., Kawabata, K. ., Ashida, Y. ., Ikegami, H. ., Furukawa, S. ., Patil, P. ., … Nakamura, Y. . (2020). Probing XY phase transitions in a Josephson junction array with tunable frustration. Physical Review B, 102. http://doi.org/10.1103/PhysRevB.102.094509