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This study explores cosmological models linked to wormhole geometries using conformal field theories (CFTs). These models suggest a mechanism for cosmic acceleration driven by scalar fields, offering new insights into cosmological naturalness problems.

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Area of Science:

  • Theoretical Physics
  • Cosmology
  • String Theory

Background:

  • Cosmological models often face challenges explaining cosmic acceleration and naturalness puzzles.
  • Holographic principles and conformal field theories (CFTs) offer alternative frameworks for understanding gravity and spacetime.

Purpose of the Study:

  • To investigate cosmological models connected to Euclidean asymptotically anti-de Sitter (AdS) planar wormhole geometries.
  • To explore the holographic relationship between CFTs and cosmological phenomena.
  • To understand the origin of cosmic acceleration within this holographic framework.

Main Methods:

  • Analytic continuation of cosmological models to Euclidean asymptotically AdS planar wormhole geometries.
  • Holographic duality between three-dimensional CFTs and the bulk wormhole spacetime.
  • Analysis of scalar fields associated with relevant operators in CFTs to explain cosmological dynamics.

Main Results:

  • Cosmological models related to these wormhole geometries can exhibit an accelerating phase.
  • The acceleration is attributed to the potential energy of scalar fields derived from CFT operators.
  • A connection is established between cosmological observables and those in the wormhole spacetime.

Conclusions:

  • The holographic wormhole approach provides a novel perspective on cosmological naturalness puzzles.
  • This framework offers a potential mechanism for generating cosmic acceleration from fundamental principles.
  • The study highlights the utility of holographic duality in addressing long-standing cosmological questions.