Email this article Hidden Bell Correlations in the Four-Level Atom†
- Authors: Man’ko M.A.1, Man’ko V.I.1,2
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Affiliations:
- Lebedev Physical Institute, Russian Academy of Sciences
- Moscow Institute of Physics and Technology (State University)
- Issue: Vol 37, No 1 (2016)
- Pages: 1-9
- Section: Article
- URL: https://journal-vniispk.ru/1071-2836/article/view/247713
- DOI: https://doi.org/10.1007/s10946-016-9541-4
- ID: 247713
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Abstract
We extend the Bell inequality known for two qubits to the four-level atom, including an artificial atom realized by the superconducting circuit, and qudit with j = 3/2. We formulate the extended inequality as the inequality valid for an arbitrary Hermitian nonnegative 4×4 matrix with unit trace for both separable and entangled matrices.
About the authors
Margarita A. Man’ko
Lebedev Physical Institute, Russian Academy of Sciences
Author for correspondence.
Email: mmanko@sci.lebedev.ru
Russian Federation, Leninskii Prospect 53, Moscow, 119991
Vladimir I. Man’ko
Lebedev Physical Institute, Russian Academy of Sciences; Moscow Institute of Physics and Technology (State University)
Email: mmanko@sci.lebedev.ru
Russian Federation, Leninskii Prospect 53, Moscow, 119991; Moscow Region, Dolgoprudnyi, 141700
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