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

Extranatural inflation.

Nima Arkani-Hamed1, Hsin-Chia Cheng, Paolo Creminelli

  • 1Jefferson Physical Laboratory, Harvard University, Cambridge, Massachusetts 02138, USA.

Physical Review Letters
|July 15, 2003
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

Kinematic Flow and the Emergence of Time.

Physical review letters·2025
Same author

Coulomb Branch Amplitudes from a Deformed Amplituhedron Geometry.

Physical review letters·2024
Same author

Reaching out.

Nature reviews. Physics·2024
Same author

Multiparticle Factorization and the Rigidity of String Theory.

Physical review letters·2024
Same author

Jackiw-Teitelboim Gravity from the Karch-Randall Braneworld.

Physical review letters·2022
Same author

The muon Smasher's guide.

Reports on progress in physics. Physical Society (Great Britain)·2022
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 propose a novel inflationary model where the inflaton arises from a 5D gauge field. This model

Area of Science:

  • Cosmology
  • Theoretical Physics
  • String Theory

Background:

  • Cosmic inflation is a crucial period of rapid expansion in the early universe.
  • Standard inflationary models face challenges with potential flatness and quantum corrections.
  • Understanding the origin and properties of the inflaton field is key to explaining the universe's large-scale structure.

Purpose of the Study:

  • To introduce a new theoretical model for cosmic inflation.
  • To investigate the properties of an inflaton derived from a 5D gauge field.
  • To explore the implications of nonlocal effects on the inflationary potential.

Main Methods:

  • Developing a 5-dimensional (5D) gauge field theory compactified on a circle.
  • Analyzing the potential of the inflaton field, focusing on nonlocal effects.

Related Experiment Videos

  • Calculating cosmological observables such as the scalar spectral index (n) and tensor-to-scalar ratio (r).

    • Main Results:

    • The proposed model generates a flat potential solely from nonlocal effects, avoiding issues with higher-dimensional operators and quantum gravity.
    • The model predicts a red scalar power spectrum with n ≈ 0.96.
    • A significant production of gravitational waves is predicted, with r ≈ 0.11.

    Conclusions:

    • This model offers a compelling alternative for cosmic inflation by utilizing nonlocal effects in a 5D gauge theory.
    • The predicted spectral index and gravitational wave production are testable signatures for future cosmological observations.
    • The framework may also have implications for understanding dark energy models like quintessence.