Einstein-Podolsky-Rosen steering based on semisupervised machine learning

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Abstract
Einstein-Podolsky-Rosen (EPR) steering is a kind of powerful nonlocal quantum resource in quantum information processing such as quantum cryptography and quantum communication. Many criteria have been proposed in the past few years to detect the steerability both analytically and numerically. Supervised machine learning such as support vector machines and neural networks have also been trained to detect the EPR steerability. To implement supervised machine learning, one needs a lot of labeled quantum states by using the semidefinite programming, which is very time consuming. We present a semisupervised support vector machine method which only uses a small portion of labeled quantum states in detecting quantum steering. We show that our approach can significantly improve the accuracies by detailed examples.
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Funding Information
  • National Natural Science Foundation of China (11571313, 12071179, 12075159, 12171044)
  • Natural Science Foundation of Beijing Municipality (Z190005)
  • Southern University of Science and Technology (SIQSE202001)

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