Double-sphere enhanced optomechanical spectroscopy constrains symmetron dark energy

• URL: http://arxiv.org/abs/2603.05090v1
• Date: Thu, 05 Mar 2026 12:04:07 GMT
• Title: Double-sphere enhanced optomechanical spectroscopy constrains symmetron dark energy
• Abstract summary: Screened scalar fields such as the symmetron provide a viable description of dark energy yet their laboratory detection remains challenging.<n>We propose an optomechanical scheme to constrain symmetron interactions using two optically levitated nanospheres inside a cavity.
• Score: 5.737735687157445
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Screened scalar fields such as the symmetron provide a viable description of dark energy yet their laboratory detection remains challenging. We propose an optomechanical scheme to constrain symmetron interactions using two optically levitated nanospheres inside a cavity. The symmetron-mediated interaction induces an effective coupling which leads to a measurable splitting in the optomechanical resonance spectrum. We forecast constraints in the regime $μ\sim 10^{-2}$eV-$10^{-4}$ eV, which shows that this approach can improve existing laboratory bounds by up to several orders of magnitude, demonstrating the sensitivity of optomechanical spectroscopy to screened fifth forces.

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