Matter-wave decoherence due to a gas environment in an atom interferometer

Hermann Uys, John D. Perreault, Alexander D. Cronin

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Abstract

Decoherence due to scattering from background gas particles is observed for the first time in a Mach-Zehnder atom interferometer, and compared with decoherence due to scattering photons. A single theory is shown to describe decoherence due to scattering either atoms or photons. Predictions from this theory are tested by experiments with different species of background gas, and also by experiments with different collimation restrictions on an atom beam interferometer.

Original languageEnglish (US)
Article number150403
JournalPhysical review letters
Volume95
Issue number15
DOIs
StatePublished - Oct 7 2005

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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