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报告摘要：Primordial non-Gaussianities record interactions of fields in the early universe, which can be viewed as collision events in a "Cosmological Collider" with huge energy. In this talk, I shall introduce the workings of the Cosmological Collider as an explorer of new physics at very high scales, and describe the Standard Model spectrum during inflation and its "background signals" in Cosmological Collider. The nontrivial quantum correction during inflation plays a crucial role in this process, which I shall describe in detail.
报告人简介：Zhong-Zhi Xianyu is currently postdoctoral fellow at Harvard University. He received his Ph. D in physics from Center for High Energy Physics Tsinghua University, in 2015.His research interest covers several aspects of theoretical particle physics and cosmology, including inflation theory, primordial non-Gaussianities, gravitational waves, etc.
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