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Proceedings Paper

The controlled indirect coupling between spatially-separated qubits in antiferromagnet-based NMR quantum registers
Author(s): A. A. Kokin
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Paper Abstract

It is considered the indirect inter-qubit coupling in 1D chain of atoms with nuclear spins 1/2 which plays role of qubits fin the quantum register. This chain of the atoms is placed by regular way in easy-axis 3D antiferromagnetic thin plate substrate which is cleaned from the other nuclear spin containing isotopes. It is shown that the range of indirect inter-spin coupling may run to a great number of lattice constants both near critical point of quantum phase transition in antiferromagnet of spin-flop type (control parameter is external magnetic field) and/or near homogeneous antiferromagnetic resonance (control parameter is microwave frequency).

Paper Details

Date Published: 1 June 2005
PDF: 8 pages
Proc. SPIE 5833, Quantum Informatics 2004, (1 June 2005); doi: 10.1117/12.620505
Show Author Affiliations
A. A. Kokin, Institute of Physics and Technology (Russia)


Published in SPIE Proceedings Vol. 5833:
Quantum Informatics 2004
Yuri I. Ozhigov, Editor(s)

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