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Entanglement of two qubits mediated by one-dimensional plasmonic waveguides
Metadatos
Title:Entanglement of two qubits mediated by one-dimensional plasmonic waveguides
Author:Gonzalez-Tudela, A.; Martin-Cano, D.; Moreno, E.; Martin-Moreno, L.; Tejedor, C.; Garcia-Vidal, F. J.
Entity:UAM. Departamento de Física Teórica de la Materia Condensada
Date:2011-01-17
Citation:
10.1103/PhysRevLett.106.020501
Physical Review Letters 106.2 (2011): 020501
ISSN:0031-9007 (print); 1079-7114 (online)
DOI:10.1103/PhysRevLett.106.020501
Funded by:This work was supported by the Spanish MICINN (MAT2008-01555, MAT2009-06609-C02, CSD2006- 00019-QOIT, and CSD2007-046-NanoLight.es) and CAM (S-2009/ESP-1503). A. G.-T. and D. M.-C. acknowledge FPU grants (No. AP2008-00101 and No. AP2007- 00891, respectively) from the Spanish Ministry of Education
Project:Comunidad de Madrid. S2009/ESP-1503/Q&CLIGHT; Gobierno de España. AP2008-00101; Gobierno de España. AP2007-00891; Gobierno de España. MAT2008-01555; Gobierno de España. MAT2009-06609-C02; Gobierno de España. CSD2006-00019-QOIT; Gobierno de España. CSD2007-046
We investigate qubit-qubit entanglement mediated by plasmons supported by one-dimensional waveguides. We explore both the situation of spontaneous formation of entanglement from an unentangled state and the emergence of driven steady-state entanglement under continuous pumping. In both cases, we show that large values for the concurrence are attainable for qubit-qubit distances larger than the operating wavelength by using plasmonic waveguides that are currently available