[en] A method for gaining information about the phonon-number moments and the generalized nonlinear and linear quadratures in the motion of trapped ions (in particular, position and momentum) is proposed, valid inside and outside the Lamb-Dicke regime. It is based on the measurement of first time derivatives of electronic populations, evaluated at the motion-probe interaction time tau = 0. In contrast to other state-reconstruction proposals, based on measuring Rabi oscillations or dispersive interactions, the present scheme can be performed resonantly at infinitesimal short motion-probe interaction times, remaining thus insensitive to decoherence processes.
Disciplines :
Physics
Author, co-author :
Bastin, Thierry ; Université de Liège - ULiège > Département de physique > Physique des atomes froids
von Zanthier, J.
Solano, E.
Language :
English
Title :
Measure of phonon-number moments and motional quadratures through infinitesimal-time probing of trapped ions
Publication date :
2006
Journal title :
Journal of Physics : B Atomic Molecular and Optical Physics
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