Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Localizing gravity on a stringlike defect in six dimensions

Gherghetta1, Shaposhnikov

  • 1Institute of Theoretical Physics, University of Lausanne, CH-1015 Lausanne, Switzerland.

Physical Review Letters
|September 16, 2000
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Moduli inflation with large scale structure produced by topological defects.

Physical review. D, Particles and fields·1996
Same author

Is There a Hot Electroweak Phase Transition at mH >~ mW?

Physical review letters·1996
Same author

Radiative states in type-II GaSb/GaAs quantum wells.

Physical review. B, Condensed matter·1995
Same author

Resonant coupling of electrons and excitons in an aperiodic superlattice under electric fields studied by photoluminescence spectroscopy.

Physical review. B, Condensed matter·1995
Same author

Regularization in the gauged Nambu-Jona-Lasinio model.

Physical review. D, Particles and fields·1994
Same author

Baryon asymmetry of the Universe in the standard model.

Physical review. D, Particles and fields·1994
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

We developed a six-dimensional metric solution localizing gravity on a stringlike defect. This model suppresses corrections to four-dimensional gravity without tuning the cosmological constant.

Area of Science:

  • Theoretical Physics
  • String Theory
  • Quantum Gravity

Background:

  • Investigating higher-dimensional theories to understand gravity.
  • Exploring brane-world scenarios where gravity is confined to a lower-dimensional subspace.
  • Addressing the cosmological constant problem in modified gravity theories.

Purpose of the Study:

  • To present a novel six-dimensional metric solution.
  • To demonstrate gravity localization on a singular stringlike defect.
  • To analyze the impact of bulk modes on four-dimensional gravity.

Main Methods:

  • Constructing a metric solution in six spacetime dimensions.
  • Analyzing the behavior of bulk continuum modes near the defect.
  • Calculating the corrections to four-dimensional gravity.

Related Experiment Videos

Main Results:

  • A metric solution is found where gravity is localized on a four-dimensional stringlike defect.
  • Corrections to four-dimensional gravity from bulk modes are suppressed by O(1/r^3).
  • Cancellation of the four-dimensional cosmological constant is achieved without tuning.

Conclusions:

  • The proposed model offers a viable framework for gravity localization.
  • The suppression of bulk mode corrections is a significant feature.
  • The absence of fine-tuning requirements simplifies the model.