Liquid-state nuclear spin comagnetometers

M. P. Ledbetter, S. Pustelny, D. Budker, M. V. Romalis, J. W. Blanchard, A. Pines

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Abstract

We discuss nuclear spin comagnetometers based on ultralow-field nuclear magnetic resonance in mixtures of miscible solvents, each rich in a different nuclear spin. In one version thereof, Larmor precession of protons and F19 nuclei in a mixture of thermally polarized pentane and hexafluorobenzene is monitored via a sensitive alkali-vapor magnetometer. We realize transverse relaxation times in excess of 20 s and suppression of magnetic field fluctuations by a factor of 3400. We estimate it should be possible to achieve single-shot sensitivity of about 5×10 -9Hz, or about 5×10 -11Hz in ≈1 day of integration. In a second version, spin precession of protons and Xe129 nuclei in a mixture of pentane and hyperpolarized liquid xenon is monitored using superconducting quantum interference devices. Application to spin-gravity experiments, electric dipole moment experiments, and sensitive gyroscopes is discussed.

Original languageEnglish (US)
Article number243001
JournalPhysical review letters
Volume108
Issue number24
DOIs
StatePublished - Jun 15 2012

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Ledbetter, M. P., Pustelny, S., Budker, D., Romalis, M. V., Blanchard, J. W., & Pines, A. (2012). Liquid-state nuclear spin comagnetometers. Physical review letters, 108(24), [243001]. https://doi.org/10.1103/PhysRevLett.108.243001