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24 April 2024

» arxiv » quant-ph/0412049

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Experimental Test of the Kochen-Specker Theorem for Single Qubits using Positive Operator-Valued Measures
Qiang Zhang ; Hui Li ; Tao Yang ; Juan Yin ; Jiangfeng Du ; Jian-Wei Pan ;
Date:	7 Dec 2004
Subject:	quant-ph
Abstract:	We present an experimental scheme for the implementation of arbitrary generalized measurements, represented by positive-operator valued measures, on the polarization of single photons, using linear optical devices. Further, we experimentally test a Kochen-Specker theorem for single qubits using positive operator-valued measures. Our experimental results for the first time disprove non-contextual hidden-variable theories, even for single qubits.
Source:	arXiv, quant-ph/0412049
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