Theoretical proposal for a spacecraft-Earth experiment to constrain spin- and velocity-dependent fifth forces mediated by ultralight vector bosons, claiming up to three orders of magnitude improvement over current bounds.
Limits on new long range nuclear spin-dependent forces set with a K-3He co-magnetometer
3 Pith papers cite this work. Polarity classification is still indexing.
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abstract
A magnetometer using spin-polarized K and $^3$He atoms occupying the same volume is used to search for anomalous nuclear spin-dependent forces generated by a separate $^3$He spin source. We measure changes in the $^3$He spin precession frequency with a resolution of 18 pHz and constrain anomalous spin forces between neutrons to be less than $2 \times 10^{-8}$ of their magnetic or less than $2\times 10^{-3}$ of their gravitational interactions on a length scale of 50 cm. We present new limits on neutron coupling to light pseudoscalar and vector particles, including torsion, and constraints on recently proposed models involving unparticles and spontaneous breaking of Lorentz symmetry.
verdicts
UNVERDICTED 3representative citing papers
Geometric pulses enable fast, error-correcting state transitions in co-located spin ensembles without frequency selectivity, demonstrated at milliradian precision over hours on nuclear spins.
The paper reviews comagnetometry as a sensitive probe for new physics including EDMs, Lorentz violation, CP-violating forces, and axionic dark matter, while discussing prospects for further sensitivity gains based on signal-to-noise.
citing papers explorer
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Potential of constraining the Fifth Force Using the Earth as a Spin and Mass Source from space
Theoretical proposal for a spacecraft-Earth experiment to constrain spin- and velocity-dependent fifth forces mediated by ultralight vector bosons, claiming up to three orders of magnitude improvement over current bounds.
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Error-correcting transition pulses for co-located spin ensembles without frequency selectivity
Geometric pulses enable fast, error-correcting state transitions in co-located spin ensembles without frequency selectivity, demonstrated at milliradian precision over hours on nuclear spins.
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Comagnetometer probes of dark matter and new physics
The paper reviews comagnetometry as a sensitive probe for new physics including EDMs, Lorentz violation, CP-violating forces, and axionic dark matter, while discussing prospects for further sensitivity gains based on signal-to-noise.