Detection of applied and ambient forces with a matter-wave magnetic gradiometer

Billy I. Robertson, Andrew R. MacKellar, James Halket, Anna Gribbon, Jonathan D. Pritchard, Aidan S. Arnold, Erling Riis, Paul F. Griffin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

An atom interferometer using a Bose–Einstein condensate of 87Rb atoms is utilized for the measurement of magnetic-field gradients. Composite optical pulses are used to construct a spatially symmetric Mach–Zehnder geometry. By using a biased interferometer we demonstrate the ability to measure small residual forces in our system and discriminate between magnetic and inertial effects. These are a residual ambient magnetic-field gradient of 15±2 mG/cm and an inertial acceleration of 0.08±0.02 m/s2. Our method has important applications in the calibration of precision measurement devices and the reduction of systematic errors.
LanguageEnglish
Article number053622
Number of pages7
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume96
Issue number5
Early online date16 Nov 2017
DOIs
Publication statusPublished - 30 Nov 2017

Fingerprint

gradiometers
interferometers
gradients
magnetic effects
Bose-Einstein condensates
magnetic fields
systematic errors
atoms
composite materials
geometry
pulses

Keywords

  • magnetic-field gradients
  • inertial effects
  • magnetic effects

Cite this

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abstract = "An atom interferometer using a Bose–Einstein condensate of 87Rb atoms is utilized for the measurement of magnetic-field gradients. Composite optical pulses are used to construct a spatially symmetric Mach–Zehnder geometry. By using a biased interferometer we demonstrate the ability to measure small residual forces in our system and discriminate between magnetic and inertial effects. These are a residual ambient magnetic-field gradient of 15±2 mG/cm and an inertial acceleration of 0.08±0.02 m/s2. Our method has important applications in the calibration of precision measurement devices and the reduction of systematic errors.",
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Detection of applied and ambient forces with a matter-wave magnetic gradiometer. / Robertson, Billy I.; MacKellar, Andrew R.; Halket, James; Gribbon, Anna; Pritchard, Jonathan D.; Arnold, Aidan S.; Riis, Erling; Griffin, Paul F.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 96, No. 5, 053622, 30.11.2017.

Research output: Contribution to journalArticle

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T1 - Detection of applied and ambient forces with a matter-wave magnetic gradiometer

AU - Robertson, Billy I.

AU - MacKellar, Andrew R.

AU - Halket, James

AU - Gribbon, Anna

AU - Pritchard, Jonathan D.

AU - Arnold, Aidan S.

AU - Riis, Erling

AU - Griffin, Paul F.

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KW - magnetic-field gradients

KW - inertial effects

KW - magnetic effects

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