Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session R17: Focus Session on Modular, Distributed Quantum Computing: Protocols and Architecture Design
8:00 AM–11:00 AM,
Thursday, March 5, 2020
Room: 203
Sponsoring
Unit:
DQI
Chair: Martin Suchara, Argonne Natl Lab
Abstract: R17.00006 : Entanglement Certification in Witness Experiments with Arbitrary Noise
Presenter:
Bas Dirkse
(Delft University of Technology)
Authors:
Bas Dirkse
(Delft University of Technology)
Matteo Pompili
(Delft University of Technology)
Ronald Hanson
(Delft University of Technology)
Michael Walter
(University of Amsterdam)
Stephanie Wehner
(Delft University of Technology)
In this work, we derive a method to certify entanglement without putting any assumptions on the state at each trial. This allows for arbitrarily correlated noise. We quantify the confidence using the p-value, the probability of obtaining data as extreme as the observed experimental data with only separable states. We give a formal abstract model of witness experiments that takes into account imperfect measurement devices and random number generators. We provide a simple method for sound data collection and show how to compute an upper bound to the p-value from the observed measurement data and device characteristics. We illustrate the use of our method with detailed examples based on realistic simulation of NV centres. This method applies to any witness experiment in general.
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