Measurement-driven dynamics for a coherently-excited atom
Colin, Andrew J. T. and Barnett, Stephen M. and Jeffers, John (2012) Measurement-driven dynamics for a coherently-excited atom. Journal of Modern Optics, 59 (21). pp. 1803-1815. ISSN 1362-3044 (https://doi.org/10.1080/09500340.2012.744479)
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Abstract
The phenomenon of telegraphing in a measurement-driven two-level atom was noted in Cresser et al. [Cresser, J.D.; Barnett, S.M.; Jeffers, J.; Pegg, D.T. Opt. Commun. 2006, 264, 352361]. Here we introduce two quantitative measures of telegraphing: one based on the accumulated measurement record and one on the evolution of the quantum state. We use these to analyse the dynamics of the atom over a wide range of parameters. We find, in particular, that the measures provide broadly similar statistics when the measurements are frequent, but differ widely when measurements are sparse. This is in line with intuition, and demonstrates the utility of both measures.
ORCID iDs
Colin, Andrew J. T., Barnett, Stephen M. and Jeffers, John ORCID: https://orcid.org/0000-0002-8573-1675;-
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Item type: Article ID code: 42621 Dates: DateEvent2012Published22 November 2012Published OnlineSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 21 Jan 2013 10:01 Last modified: 27 Sep 2024 00:46 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/42621