Necessary conditions for steerability of two qubits from consideration of local operations

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Baker, Travis J
Wiseman, Howard M
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2020
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Abstract

Einstein-Podolsky-Rosen (EPR) steering refers to the ability of one observer to convince a distant observer that they share entanglement by making local measurements. Determining which states allow a demonstration of EPR steering remains an open problem in general. Here, we outline and demonstrate a method of analytically constructing new classes of two-qubit states which are nonsteerable by arbitrary projective measurements, from consideration of local operations performed by the steering party on states known to be nonsteerable.

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Physical Review A

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101

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2

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© 2020 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.

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Physical sciences

Chemical sciences

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Science & Technology

Optics

Physics, Atomic, Molecular & Chemical

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Baker, TJ; Wiseman, HM, Necessary conditions for steerability of two qubits from consideration of local operations, PHYSICAL REVIEW A, 2020, 101 (2), pp. 022326

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