亚洲精品免费国产91-痴汉电车无删减中文字幕-亚洲av之男人的天堂网站-色哟哟哟视频在线观看

會(huì)議通知

From gravitational to plasma lensing

發(fā)布時(shí)間:2021-06-16

Title: From gravitational to plasma lensing

Speaker: Prof. Xinzhong, Er (SWIFAR-YNU)

Time: 11:00am, June 16 (Wednesday)

Location: Small conference room, 3rd floor

Abstract:

The gravitational lensing is a widely used probe in study the dark universe. Besides the gravity, the free electrons in the plasma can also cause deflections of the light. Although plasma lensing has a distinct similarity to gravitational lensing, particularly in its mathematical description, plasma lensing introduces additional features, such as wavelength dependence, diverging deflection etc. I will briefly introduce the basic phenomenon of plasma lensing and the lensing effects, such as the magnification and time delay in the plasma lensing. It shows some potential interesting applications in the study of pulsar, FRB as well as the interstellar and intergalactic medium. Bio: Xinzhong Er got his PhD from Bonn University in 2010, and spent 4 years in NAOC. After that he worked for Euclid project in Observatory of Roma, INAF. He joined SWIFAR, Yunnan University at the end of 2017. His main research interesting is cosmology, in particular using gravitational lensing to study the dark universe. Recently, he also studies the deflections of radio sources by plasma.


附件下載:

會(huì)議通知
镇安县| 镇赉县| 湘乡市| 永平县| 三河市| 浦城县| 宁城县| 肥城市| 大同市| 绥宁县| 措美县| 安溪县| 天峻县| 广丰县| 楚雄市| 肥东县| 永福县| 遂昌县| 灵川县| 车致| 内丘县| 阿坝| 兰州市| 磐安县| 集安市| 新和县| 达州市| 太康县| 灌南县| 丹凤县| 保亭| 兰溪市| 新化县| 龙胜| 达拉特旗| 莲花县| 绥棱县| 淮北市| 花莲县| 西和县| 广元市|