Cross-Verification of Independent Quantum Devices
C. Greganti, T. F. Demarie, M. Ringbauer, J. A. Jones, Valeria Saggio, I. Alonso Calafell, Lee A. Rozema, A. Erhard, M. Meth, L. Postler, R. Stricker, Philipp Claudius Schindler, R. Blatt, Thomas Monz, P. Walther, J. F. Fitzsimons · Physical Review X · 2021
A technique for verifying that a quantum computation is correct checks one device against another, a method that does not rely on classical computers and could be used on next-generation quantum devices.