Feynman Diagram Approach to Dual-Parton Model. II: Spontaneous Symmetry Breaking due to Collective Partons
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چکیده
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Limit to manipulation of qubits due to spontaneous symmetry breaking
We consider a two-spin qubit that is subject to the orderparameter field of a symmetry broken manipulation device. It is shown that the thin spectrum of the manipulation device limits the coherence of the qubit. c © 2008 Elsevier B.V. All rights reserved. PACS: 03.65.Yz; 75.10.-b; 75.45.+j
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics
سال: 1975
ISSN: 0033-068X,1347-4081
DOI: 10.1143/ptp.53.247