25-29 September 2025
北京春晖园温泉度假酒店(Chun Hui Yuan Hot Spring Resort Hotel)
Asia/Shanghai timezone

Cosmological Stasis and Its Observational Signatures

26 Sep 2025, 17:30
30m
北京春晖园温泉度假酒店(Chun Hui Yuan Hot Spring Resort Hotel)

北京春晖园温泉度假酒店(Chun Hui Yuan Hot Spring Resort Hotel)

北京市顺义区高泗路于庄段37号

Speaker

Fei Huang (Weizmann Institute of Science)

Description

Cosmological stasis is a phenomenon in which multiple energy components with different equation-of-state parameters maintain constant abundances for an extended period despite the expansion of the universe. In this talk, I review the how stasis arises and discuss the possible implications of this phenomenon in observations. These include characteristic imprints in the stochastic gravitational-wave background and the enhancement in the growth of matter density perturbations on small scales.

Primary author

Fei Huang (Weizmann Institute of Science)

Co-authors

Prof. Keith Dienes (University of Arizona) Prof. Brooks Thomas (Lafayette College) Dr Lucien Heurtier (King’s College London) Prof. Tim Tait (University of California, Irvine) Mr Dan Hoover (Lafayette College) Ms Anna Paulsen (Brown University)

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