DocumentCode :
2787535
Title :
Electric field noise above surfaces: A model for heating rate scaling law in ion traps
Author :
Dubessy, R. ; Coudreau, T. ; Guidoni, L.
Author_Institution :
Lab. Mater. et Phenomenes Quantiques, Univ. Paris Diderot, Paris, France
fYear :
2009
fDate :
14-19 June 2009
Firstpage :
1
Lastpage :
1
Abstract :
In this work we present a model where we take explicitly into account the spatial dependence of the electric field noise density above a surface, introducing a characteristic length not yet considered in previous models: the correlation length, zeta of the noisy potential on the surface. In that picture, the noise arise from finite size sources distributed randomly on the surface. We show that this simple model accounts for the behavior of electric field noise scaling on the whole range covered by both ion heating measurements and cantilever-based measurements. We propose that this correlation length could be related to the characteristic size of the patches, opening a way to the control of noise intensity by engineering the material properties.
Keywords :
cantilevers; electric fields; particle traps; cantilever based measurements; correlation length; electric field noise; heating rate scaling law; ion traps; material properties; patch size; spatial dependence; Casimir effect; Conductors; Electric potential; Electric variables measurement; Fluctuations; Force measurement; Noise measurement; Nonuniform electric fields; Quantum computing; Resistance heating;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-4079-5
Electronic_ISBN :
978-1-4244-4080-1
Type :
conf
DOI :
10.1109/CLEOE-EQEC.2009.5192159
Filename :
5192159
Link To Document :
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