Nodeless superconductivity arising from strong (pi,pi) antiferromagnetism in the infinite-layer electron-doped cuprate Sr1-xLaxCuO2

John W. Harter, Luigi Maritato, 3 Daniel E. Shai, Eric J. Monkman, Yuefeng Nie, 2 Darrell G. Schlom, 4 and Kyle M. Shen 4, ∗ Laboratory of Atomic and Solid State Physics, Department of Physics, Cornell University, Ithaca, New York 14853, USA Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA Università di Salerno and CNR-SPIN, 84084 Fisciano (SA), Italy Kavli Institute at Cornell for Nanoscale Science, Ithaca, New York 14853, USA (Dated: May 2, 2014)