Quantum contextuality for a relativistic spin-1/2 particle

Quantum contextuality for a relativistic spin-1/2 particle

The quantum predictions for a single nonrelativistic spin-1/2 particle can be reproduced by noncontextual hidden variables. Here we show that quantum contextuality for a relativistic electron moving in a Coulomb potential naturally emerges if relativistic effects are taken into account. The contextu...

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Bibliographic Details
Main Authors: Chen, Jing-Ling, Su, Hong-Yi, Wu, Chunfeng, Deng, Dong-Ling, Cabello, Adán, Kwek, L. C., Oh, C. H.
Other Authors: National Institute of Education
Format: Article
Language:English
Published: 2014
Subjects:
DRNTU::Science::Physics::Atomic physics::Relativity physics
Online Access:https://hdl.handle.net/10356/101795
http://hdl.handle.net/10220/18766
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Institution: Nanyang Technological University
Language: English
Description
Summary:The quantum predictions for a single nonrelativistic spin-1/2 particle can be reproduced by noncontextual hidden variables. Here we show that quantum contextuality for a relativistic electron moving in a Coulomb potential naturally emerges if relativistic effects are taken into account. The contextuality can be identified through the violation of noncontextuality inequalities. We also discuss quantum contextuality for the free Dirac electron as well as the relativistic Dirac oscillator.

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