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If our Universe is allowed to absorb baby universes, one obtains a modified Friedmann equation that can explain the late time acceleration of our Universe and there is no need for a cosmological constant. In addition the modified Friedmann equation favors the value of the Hubble constant obtained by local measurements.

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Late Time Acceleration of Our Universe Caused by the Absorption of Baby Universes

  • 会议论文

  • 发表日期：

    2025年

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  • Jan Ambjorn,
  • Yoshiyuki Watabiki

摘要

If our Universe is allowed to absorb baby universes, one obtains a modified Friedmann equation that can explain the late time acceleration of our Universe and there is no need for a cosmological constant. In addition the modified Friedmann equation favors the value of the Hubble constant obtained by local measurements.