Proposed test of macroscopic quantum contextuality

Journal Article · Wed Sep 15 00:00:00 EDT 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.82.032110· OSTI ID:21448630

Cabello, Adan ^[1]

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1. Departamento de Fisica Aplicada II, Universidad de Sevilla, E-41012 Sevilla (Spain)

We show that, for any system with a number of levels which can be identified with n qubits, there is an inequality for the correlations between three compatible dichotomic measurements which must be satisfied by any noncontextual theory, but is violated by any quantum state. Remarkably, the violation grows exponentially with n, and the tolerated error per correlation also increases with n, showing that state-independent quantum contextuality is experimentally observable in complex systems.

• OSTI ID: 21448630
• Journal Information: Physical Review. A, Vol. 82, Issue 3; Other Information: DOI: 10.1103/PhysRevA.82.032110; (c) 2010 The American Physical Society; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
CORRELATIONS
ENERGY LEVELS
ERRORS
QUANTUM MECHANICS
QUANTUM STATES
QUBITS
INFORMATION
MECHANICS
QUANTUM INFORMATION