Experimental implementation of an efficient test of quantumness
Laura Lewis, Daiwei Zhu, Alexandru Gheorghiu, Crystal Noel, Or Katz, Bahaa Harraz, Qingfeng Wang, Andrew Risinger, Lei Feng, Debopriyo Biswas, Laird Egan, Thomas Vidick, Marko Cetina, Christopher R. Monroe · Physical Review A · 2024
The authors implement a noninteractive test of quantumness, or an algorithm for verifying whether an untrusted device is capable of quantum computation, on an ion-trap quantum computer. Their results clearly exceed the classical bound.