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Related Experiment Video

Updated: Jun 12, 2026

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

Constraining the braneworld with gravitational wave observations.

Sean T McWilliams¹

¹Gravitational Astrophysics Laboratory, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA.

Physical Review Letters

|May 21, 2010

Summary

This summary is machine-generated.

String theory

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Area of Science:

Theoretical physics
String theory
Cosmology

Background:

Braneworld models offer observable consequences for string theory.
The Randall-Sundrum model (RS2) reproduces Newtonian gravity but may increase black hole Hawking radiation.

Purpose of the Study:

To derive novel methods for constraining the AdS radius of curvature (l) using gravitational wave measurements.
To explore the implications of the AdS/CFT correspondence for braneworld models.

Main Methods:

Utilizing the predicted increase in Hawking radiation from RS2 black holes.
Analyzing gravitational wave event rates from LISA, including Extreme Mass Ratio Inspirals (EMRIs) and galactic black hole binaries.

Main Results:

Gravitational wave event rates from LISA can constrain the AdS radius of curvature (l).
EMRI events can constrain l to approximately 1 micrometer.
Galactic black hole binary observations can constrain l to less than or equal to 5 micrometers.

Conclusions:

Gravitational wave astronomy provides a novel avenue for testing braneworld models.
LISA observations offer significant potential for constraining fundamental parameters in string theory.