Observable consequences of dynamical compactification in Kaluza-Klein cosmology

T. Koikawa, M. Yoshimura

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


Time variation of the compactified size of the extra small space is inevitable in Kaluza-Klein type of theories. This can generate observable remmants of ultrahigh energy cosmic rays that have an enhanced spectrum around 1019-1025 eV. This and other consequences of the time variation are closely examined in a model that realizes compactification via the gravitational Casimir energy.

Original languageEnglish
Pages (from-to)107-112
Number of pages6
JournalPhysics Letters B
Issue number1-3
Publication statusPublished - Jan 3 1985
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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