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博学堂讲座预告(第445讲)

来源:浙江工业大学理学院 | 2019-08-07 | 发布:新葡京官网

题目: Theoretical and observational confrontation of cosmology and gravity, and the new era of multi-messenger astronomy
报告人:Emmanuel Saridakis (希腊雅典国家科技大学,美国贝勒大学)

报告时间:2019年8月9号(周五)10:00-11:00


报告地点:理学楼A 110

摘要:
Multiple observations indicate that around 95% of the Universe content
corresponds to unknown sectors, collectively called “dark energy” (around
70%) and “dark matter” (around 25%). Additionally, theoretical and
observational reasons lead to the introduction of the inflationary
paradigm in the Standard Model of Cosmology, whose exact driving mechanism
is however still under investigation. We review the various theoretical
models and scenarios that try to explain the observational data, which
modify either the universe content or the gravitational theory. Finally,
we present the recent possibility of using multi-messenger astronomy,
namely data from gravitational waves observations alongside their
electromagnetic counterparts, in order to constrain various cosmological
scenarios and test general relativity.
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