Simultaneous Precision Gravimetry and Magnetic Gradiometry with a Bose-Einstein Condensate: A High Precision, Quantum Sensor

K. S. Hardman, P. J. Everitt, G. D. McDonald, P. Manju, P. B. Wigley, M. A. Sooriyabandara, C. C. N. Kuhn, J. E. Debs, J. D. Close, and N. P. Robins
Phys. Rev. Lett. 117, 138501 – Published 21 September 2016

Abstract

A Bose-Einstein condensate is used as an atomic source for a high precision sensor. A 5×106atom F=1 spinor condensate of Rb87 is released into free fall for up to 750 ms and probed with a T=130ms Mach-Zehnder atom interferometer based on Bragg transitions. The Bragg interferometer simultaneously addresses the three magnetic states |mf=1,0,1, facilitating a simultaneous measurement of the acceleration due to gravity with a 1000 run precision of Δg/g=1.45×109 and the magnetic field gradient to a precision of 120  pT/m.

  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Received 8 March 2016

DOI:https://doi.org/10.1103/PhysRevLett.117.138501

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

K. S. Hardman*, P. J. Everitt, G. D. McDonald, P. Manju, P. B. Wigley, M. A. Sooriyabandara, C. C. N. Kuhn, J. E. Debs, J. D. Close, and N. P. Robins

  • Quantum Sensors and Atomlaser Lab, Department of Quantum Science, Australian National University, Canberra 0200, Australia

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 117, Iss. 13 — 23 September 2016

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×