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Heating of a Trapped Ion Induced by Dielectric Materials.
M. Teller, D. Fioretto, P. Holz, P. Schindler, Viktor Messerer, K. Schüppert, Yueyang Zou, R. Blatt, J. Chiaverini, J. Sage, T. Northup·March 25, 2021·DOI: 10.1103/PhysRevLett.126.230505
MedicinePhysics
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Abstract
Electric-field noise due to surfaces disturbs the motion of nearby trapped ions, compromising the fidelity of gate operations that are the basis for quantum computing algorithms. We present a method that predicts the effect of dielectric materials on the ion's motion. Such dielectrics are integral components of ion traps. Quantitative agreement is found between a model with no free parameters and measurements of a trapped ion in proximity to dielectric mirrors. We expect that this approach can be used to optimize the design of ion-trap-based quantum computers and network nodes.