Phys. Rev. B 69, 153311 (2004) [4 pages]Quantum impurity models of noisy qubitsReceived 21 January 2004; published 30 April 2004 We demonstrate that the problem of coupled two-level systems (“qubits”) which are also subject to a generic (sub-)Ohmic dissipative environment belongs to the same class of models as those describing (non)magnetic impurities embedded in strongly correlated systems. A further insight into the generalized single- and two-impurity Bose/Fermi Kondo models enables one to make specific recommendations towards a systematic engineering of highly coherent multiqubit assemblies for potential applications in quantum information processing. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.69.153311
DOI:
10.1103/PhysRevB.69.153311
PACS:
03.67.-a, 72.10.Fk, 72.70.+m
|
|
About | Terms and Conditions | Subscriptions | Search | Help
Use of the American Physical Society websites and journals implies that the user has read and agrees to our Terms and Conditions and any applicable Subscription Agreement. Physical Review®, Physical Review Letters®, Reviews of Modern Physics®, and Physical Review Special Topics® are trademarks of the American Physical Society.