Noise from metallic surfaces: Effects of charge diffusion

Carsten Henkel, Baruch Horovitz

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We study electromagnetic response functions for metallic surfaces with diffusive carrier transport. The electric field noise at a distance z0 from the surface is evaluated and compared with data from ion chips that show anomalous heating with a noise power decaying as z0 -4. We find that a layer of surface charge with strong diffusion can account for the latter result.

Original languageEnglish
Article number042902
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume78
Issue number4
DOIs
StatePublished - 29 Oct 2008

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