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Hyperfine-Enhanced Gyroscope Based on Solid-State Spins.

Guoqing Wang1,2,3, Minh-Thi Nguyen2,3, Paola Cappellaro1,2,3

  • 1Department of Nuclear Science and Engineering, <a href="https://ror.org/042nb2s44">Massachusetts Institute of Technology</a>, Cambridge, Massachusetts 02139, USA.

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This summary is machine-generated.

This study introduces a novel solid-state gyroscope using electronuclear spin systems for enhanced rotation sensing. The new protocol measures relative spin rotation, overcoming dephasing limitations for precise measurements.

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Area of Science:

  • Quantum sensing
  • Solid-state physics
  • Spin dynamics

Background:

  • Electronuclear spin systems offer high sensitivity and stability for rotation sensing.
  • Conventional spin-based gyroscopes are limited by spin dephasing, affecting accuracy.
  • Industrial applications require compact and robust rotation sensing technologies.

Purpose of the Study:

  • To propose a novel gyroscope protocol robust against spin dephasing.
  • To enhance rotation rate sensitivity using hyperfine coupling in a two-spin system.
  • To enable precise measurement of slow rotations and fundamental physics exploration.

Main Methods:

  • Utilizing a two-spin system with one spin coupled to the host material and another isolated.
  • Measuring the relative rotation angle between the two spins from their population states.
  • Leveraging hyperfine coupling to amplify the relative rotation rate.

Main Results:

  • The proposed protocol is robust against spin dephasing, unlike conventional methods.
  • Hyperfine coupling enhances the relative rotation rate by over an order of magnitude.
  • The gyroscope's sensitivity is limited by spin system lifetime, offering a broad dynamic range.

Conclusions:

  • A novel, dephasing-robust solid-state gyroscope protocol is demonstrated.
  • Enhanced sensitivity is achieved through hyperfine coupling in a two-spin system.
  • This technology enables precise slow rotation measurements and fundamental physics research.