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quant-ph2008★ 139 cited
Controlling entanglement by direct quantum feedback
A. R. R. Carvalho, A. J. S. Reid, J. J. Hope
We discuss the generation of entanglement between electronic states of two atoms in a cavity using direct quantum feedback schemes. We compare the effects of different control Hami…
quant-ph2004
General limit to non-destructive optical detection of atoms
J. J. Hope, J. D. Close
We demonstrate that there is a fundamental limit to the sensitivity of phase-based detection of atoms with light for a given maximum level of allowable spontaneous emission. This i…
quant-ph2003
Limit to non-destructive optical detection of atoms
J. J. Hope, J. D. Close
All optical techniques used to probe the properties of Bose-Einstein condensates have been based on dispersion and absorption that can be described by a two-level atom. Both phenom…