Forecast Constraints on Bouncing Cosmology from High Frequency Gravitational Waves Using Superconducting LC Circuits and Resonant Cavities

2025/05/31 by Changhong Li, Li, Changhong
Physics and Astronomy · Earth and Planetary Sciences · #Solar and Space Plasma Dynamics #Geophysics and Gravity Measurements #Cosmology and Gravitation Theories

paper · pdf · doi:10.48550/arxiv.2506.00684

Abstract

We exploit forecast sensitivities to high frequency gravitational waves (HFGWs) from superconducting LC circuits, traditional resonant cavity and superconducting radio frequency (SRF) cavities with electromagnetic and mechanical modes to derive the first projections of the bounce energy scale within the generic bouncing cosmology framework over the frequency window 1 kHz \lesssim f\lesssim10 GHz. In comparison with existing astrophysical limits (spanning 10^-17 Hz \lesssim f\lesssim1 kHz and based on Planck/BICEP, PTA, and aLIGO/LISA) our HFGW forecasts yield substantially tighter constraints across a broad region of parameter space. This work unifies constraints from cosmological observations and quantum measurement experiments, providing comprehensive coverage of the early Universe gravitational wave spectrum from 10^-17 Hz to 10 GHz and thereby probing the cosmic initial non singularity at ultra high energy scales.

Citations

• hep-th

Related

• Gravitational Wave Constraints on the Bouncing Energy Scale of Big Bounce Cosmology
• Fundamental quantum limits for detecting ultrahigh frequency gravitational waves
• Analytic Gravitational Wave Spectrum in Next-to-Minimal Bouncing Cosmology
• Gravitational waves from high-temperature vacuum decay in scale-invariant models: nanohertz vs. millihertz regimes
• New constraints on cosmological gravitational waves from CMB and BAO in light of dynamical dark energy