Two-qubit correlations via a periodic plasmonic nanostructure

Journal Article · Mon Feb 15 00:00:00 EST 2016 · Annals of Physics

DOI:https://doi.org/10.1016/J.AOP.2015.10.022· OSTI ID:22560293

Iliopoulos, Nikos; Terzis, Andreas F. ^[1]; Yannopapas, Vassilios ^[2]; Paspalakis, Emmanuel ^[3]

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1. Department of Physics, School of Natural Sciences, University of Patras, Patras 265 04 (Greece)
2. Department of Physics, National Technical University of Athens, Athens 157 80 (Greece)
3. Materials Science Department, School of Natural Sciences, University of Patras, Patras 265 04 (Greece)

We theoretically investigate the generation of quantum correlations by using two distant qubits in free space or mediated by a plasmonic nanostructure. We report both entanglement of formation as well as quantum discord and classical correlations. We have found that for proper initial state of the two-qubit system and distance between the two qubits we can produce quantum correlations taking significant value for a relatively large time interval so that it can be useful in quantum information and computation processes.

• OSTI ID: 22560293
• Journal Information: Annals of Physics, Vol. 365, Issue Complete; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-4916
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CALCULATION METHODS
CORRELATIONS
NANOSTRUCTURES
PERIODICITY
PLASMONS
QUANTUM ENTANGLEMENT
QUBITS