Quantum stochastic heating of a trapped ion through resonance fluorescence

L. Horvath, M. J. Collett, H. J. Carmichael, R. Fisher

Research output: Contribution to journalArticlepeer-review


The resonant heating of a harmonically trapped ion by a standing-wave light field is described as a quantum stochastic process combining a coherent Schrödinger evolution with Bohr-Einstein quantum jumps. The dependence of the center-of-mass motion on Lamb-Dicke parameter is studied. For Lamb-Dicke parameters greater than unity we demonstrate significant departures from the diffusion process that holds in the limit of small momentum "kicks" a strong inhibition of the heating of the ion (fluorescence) occurs. Heating rates are calculated as a Monte-Carlo average from both the full quantum stochastic process and its semi-quantum approximation.

Original languageEnglish
Pages (from-to)1-1
Number of pages1
JournalOptics InfoBase Conference Papers
Publication statusPublished - 2007
Externally publishedYes


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