【直播】【北大天文学术报告】Haixing Miao：kHz Gravitational Wave Detector

直播信息

报告题目

kHz Gravitational Wave Detector

报告人

Haixing Miao (THU)

报告时间

2022年3月24日 15:30

主办方

北京大学科维理天文与天体物理研究所、北京大学天文学系

直播二维码

报告人介绍

Haixing Miao’s research focuses on gravitational-wave instrumentation science and quantum measurements. He obtained PhD degree from the University of Western Australia in 2010. Afterwards, he went to Caltech as a postdoc for three years. From 2014 to 2021, he was a faculty member at the University of Birmingham. Since October last year, he joined the Department of Physics at Tsinghua University and is now a senior group member of the LIGO Scientific Collaboration.

报告摘要

Gravitational-wave detections have opened up a new window to the universe. We have detected signals from many compact-binary events, including the famous binary neutron star event GW170817, the first joint detection with electromagnetic and gravitational waves. GW170817 has revolutionized our understanding of neutron star physics and the origin of heavy elements. However, due to limitations from the detector sensitivity, we have not observed the gravitational signals from the most energetic part of this event---the catastrophic merger of the two neutron stars. The 4km Advanced LIGO and 3km Virgo are most sensitive around a few hundred Hz, while the merger signals happen at several kHz. In this talk, I will introduce how to improve the detector sensitivity at kHz by using quantum measurement techniques and show the design of a next-generation 20km detector targeting the merger signals.

北京大学科维理天文与天体物理研究所专题讲座直播&回放链接：

https://www.koushare.com/topicIndex/i/kiaa-pku

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