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Experimental Implementation of an Efficient Test of Quantumness

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arxiv 2209.14316 v1 pith:L3E3XSMT submitted 2022-09-28 quant-ph cond-mat.other

Experimental Implementation of an Efficient Test of Quantumness

Laura Lewis , Daiwei Zhu , Alexandru Gheorghiu , Crystal Noel , Or Katz , Bahaa Harraz , Qingfeng Wang , Andrew Risinger
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Lei Feng Debopriyo Biswas Laird Egan Thomas Vidick Marko Cetina Christopher Monroe
This is my paper
classification quant-ph cond-mat.other
keywords challengesefficientquantumquantumnesstestclassicaldevicenon-interactive
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A test of quantumness is a protocol where a classical user issues challenges to a quantum device to determine if it exhibits non-classical behavior, under certain cryptographic assumptions. Recent attempts to implement such tests on current quantum computers rely on either interactive challenges with efficient verification, or non-interactive challenges with inefficient (exponential time) verification. In this paper, we execute an efficient non-interactive test of quantumness on an ion-trap quantum computer. Our results significantly exceed the bound for a classical device's success.

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