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arxiv: quant-ph/0606058 · v1 · submitted 2006-06-07 · 🪐 quant-ph · cond-mat.stat-mech· cond-mat.str-el

Limit to manipulation of qubits due to spontaneous symmetry breaking

classification 🪐 quant-ph cond-mat.stat-mechcond-mat.str-el
keywords manipulationdevicequbitsymmetrybreakingbrokencoherenceconsider
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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.

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