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Phys. Rev. Lett. 97, 227602 (2006) [4 pages]

Magnetic Resonance in an Atomic Vapor Excited by a Mechanical Resonator

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Ying-Ju Wang1, Matthew Eardley1,3, Svenja Knappe1, John Moreland2, Leo Hollberg1, and John Kitching1
1Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway, Boulder, Colorado 80305, USA
2Electromagnetics Division, National Institute of Standards and Technology, 325 Broadway, Boulder, Colorado 80305, USA
3Department of Physics and Astronomy, SUNY Stony Brook, Stony Brook, New York 11794, USA

Received 24 May 2006; published 1 December 2006

We demonstrate a direct resonant interaction between the mechanical motion of a mesoscopic resonator and the spin degrees of freedom of a sample of neutral atoms in the gas phase. This coupling, mediated by a magnetic particle attached to the tip of the miniature mechanical resonator, excites a coherent precession of the atomic spins about a static magnetic field. The novel coupled atom-resonator system may enable development of low-power, high-performance sensors, and enhance research efforts connected with the manipulation of cold atoms, quantum control, and high-resolution microscopy.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.227602
DOI:
10.1103/PhysRevLett.97.227602
PACS:
76.70.Hb, 07.55.−w, 75.50.Ww, 85.85.+j