Electric field noise above surfaces: A model for heating-rate scaling law in ion traps
Electric field noise above surfaces: A model for heating-rate scaling law in ion traps
We present a model for the scaling laws of the electric field noise spectral density as a function of the distance, $d$, above a conducting surface. Our analytical approach models the patch potentials by introducing a correlation length, $\zeta$, of the electric potential on the surface. The predicted scaling laws …