Limit to manipulation of qubits due to spontaneous symmetry breaking
arXiv:quant-ph/0606058 · doi:10.1016/j.jmmm.2006.10.623
Abstract
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.
arXiv comment2 pages, proceedings, to appear in JMMM