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Related Experiment Videos

Regular phantom black holes.

K A Bronnikov1, J C Fabris

  • 1Center for Gravitation and Fundamental Metrology, VNIIMS, 46 Ozyornaya Street, Moscow 119361, Russia. kb20@yandex.ru

Physical Review Letters
|August 16, 2006
PubMed
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This study identifies 16 types of regular configurations for phantom scalar fields, including traversable wormholes and regular black holes (BHs) with survivable structures. These findings offer insights into cosmic origins and black hole physics.

Area of Science:

  • Cosmology
  • General Relativity
  • Theoretical Physics

Background:

  • Phantom scalar fields are favored by cosmological observations.
  • Understanding regular configurations is key to resolving singularities in physics.

Purpose of the Study:

  • To classify regular configurations of self-gravitating, static, spherically symmetric phantom scalar fields.
  • To explore potential cosmological implications and black hole structures.

Main Methods:

  • Analytical study of phantom scalar fields with arbitrary potentials.
  • Identification of configurations with flat, de Sitter, and anti-de Sitter asymptotics.

Main Results:

  • 16 classes of regular configurations were identified.

Related Experiment Videos

  • These include traversable wormholes, bouncing Kantowski-Sachs cosmologies, and regular black holes (BHs).
  • Regular BHs possess a Schwarzschild-like structure but replace the singularity with a de Sitter infinity.

    • Conclusions:

    • The universe might have originated from a phantom-dominated collapse in another universe.
    • Regular solutions offer a chance for hypothetical black hole explorers to survive.
    • Generalizations to k-essence fields and scalar-tensor gravity are possible.