Department of Physics and Astronomy: Publications and Other Research

 

Document Type

Article

Date of this Version

December 2004

Comments

Published in Physical Review A 70, 062307 (2004) (4 pages). ©2004 The American Physical Society. Used by permission.
URL: http://link.aps.org/abstract/PRA/v70/e062307
doi:10.1103/PhysRevA.70.062307

Abstract

Anisotropic magnetic nanodots are promising physical realizations of qubits for quantum computing at finite temperature owing to their well-separated low-lying energy levels and scalability. The entanglement of two interacting magnetic nanodots is investigated and shown both analytically and numerically to be resonantly dependent on their interaction strength and on differences in their properties. These results provide criteria for fabricating and coupling magnetic nanodots so that their low-lying eigenstates can be significantly entangled.

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