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March 18, 2026UniverseOpen Access

Next-Generation Gravitational Redshift Tests Simulated Using an Optical Link and a High-Precision Cesium Atomic Clock in Space

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Authors

ARAbdelrahim RubyWSWenbin ShenASAhmed Shaker

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Overview

Simulation evaluates gravitational redshift in space using an optical time-transfer method, suggesting new testing standards for fundamental physics.

Key Points

  • This study aims to test gravitational redshift using high-precision optical measurements in space.
  • Simulated high-accuracy optical time-transfer method
  • Incorporated ELT/ACES mission parameters
  • Developed numerical simulation framework for performance assessment
  • Simulated data comprised 33 ELT/ACES passes over 4.38 hours
  • GRS deviation from general relativity measured at (−7.19±0.63)×10−5
  • Achieved 3.4 orders of magnitude improvement over previous experiments
  • Simulated frequency stability level of 10−15 for 1000 s averaging time

Cite This Study

Ruby et al. (2026) studied this question.

synapsesocial.com/papers/69ba43f74e9516ffd37a5bffhttps://doi.org/10.3390/universe12030082
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