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Updated: Jul 29, 2026
12:14
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
Published on: August 12, 2013
Probing large distance higher-dimensional gravity with cosmic microwave background measurements
1Laboratoire de Physique Théorique, Université Paris-Sud, Batimont 210, Paris, France. Pierre.Binetruy@th.u-psud.fr
Physical Review Letters
|July 20, 2001
Summary
Cosmic Microwave Background measurements constrain modifications to gravity at large cosmological scales. This research explores how these observations impact higher-dimensional gravity theories.
Area of Science:
- Cosmology
- Theoretical Physics
- Gravitational Theory
Background:
- Higher-dimensional gravity theories propose modifications to gravitational potential.
- These modifications may be observable at cosmological scales.
Purpose of the Study:
- To investigate constraints imposed by Cosmic Microwave Background (CMB) data.
- To analyze the impact of CMB measurements on large-scale modifications of gravitational potential within higher-dimensional gravity theories.
Main Methods:
- Utilizing observational data from the Cosmic Microwave Background.
- Applying cosmological data analysis techniques to constrain theoretical models.
Main Results:
- Established limits on the deviation of the gravitational potential from standard predictions at cosmological distances.
- Quantified the impact of CMB observations on specific higher-dimensional gravity models.
Conclusions:
- CMB measurements provide significant constraints on theories predicting large-scale modifications to gravity.
- The study demonstrates the power of cosmological observations in testing fundamental physics beyond the Standard Model.
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