General Relativity and Gravitation

, Volume 15, Issue 3, pp 201–207 | Cite as

Pregeometric origin of the big bang

  • Keiichi Akama
  • Hidezumi Terazawa
Research Articles


The temperature-dependent effective action for gravity is calculated in pregeometry. It indicates that the effective potential for the space-time metric has the minimum at the origin for extremely high temperature. The origin of the big bang can be taken as a local and spontaneous phase transition of the space-time from the pregeometric phase to the geometric one.


Phase Transition Differential Geometry Effective Action Effective Potential Spontaneous Phase 
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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • Keiichi Akama
    • 1
  • Hidezumi Terazawa
    • 2
    • 3
  1. 1.Saitama Medical CollegeSaitamaJapan
  2. 2.International Centre for Theoretical PhysicsTriesteItaly
  3. 3.Institute for Nuclear StudyUniversity of TokyoTokyoJapan

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