Note on "Hyperfine coherence in the presence of spontaneous photon scattering" (quant-ph/0502063) and minimum energy requirements for quantum logic
Abstract
The goal of this short note is to show that the formulas I derived originally in [Phys. Rev. A 65, 022308 (2002)] regarding the errors introduced in quantum logical operations by the quantum nature of the control fields apply even in the situation discussed recently by Ozeri et al. in quant-ph/0502063, where the decoherence-inducing spontaneous Raman scattering is considerably suppressed.
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