Tachyonic dark matter

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Recent attempts to explain the dark matter and energy content of the universe have involved some radical extensions of standard physics, including quintessence, phantom energy, additional space dimensions, and variations in the speed of light. In this paper I consider the possibility that some dark matter might be in the form of tachyons. I show that, subject to some reasonable assumptions, a tachyonic cosmological fluid would produce distinctive effects, such as a surge in quantum vacuum energy and particle creation, and a change in the conventional temperature-time relation for the normal cosmological material. Possible observational consequences are discussed.

Original languageEnglish (US)
Pages (from-to)141-149
Number of pages9
JournalInternational Journal of Theoretical Physics
Volume43
Issue number1
DOIs
StatePublished - Jan 1 2004
Externally publishedYes

Keywords

  • Cosmological models
  • Dark matter
  • Tachyons

ASJC Scopus subject areas

  • Mathematics(all)
  • Physics and Astronomy (miscellaneous)

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