{"id":8794,"date":"2022-08-01T14:54:43","date_gmt":"2022-08-01T06:54:43","guid":{"rendered":"https:\/\/www2.phy.ntnu.edu.tw\/?p=8794"},"modified":"2022-12-07T14:01:52","modified_gmt":"2022-12-07T06:01:52","slug":"111-1-seminar-1111221","status":"publish","type":"post","link":"https:\/\/www2.phy.ntnu.edu.tw\/index.php\/2022\/08\/01\/111-1-seminar-1111221\/","title":{"rendered":"111-1 SEMINAR \u6c5f\u5955\u5bec(\u4e2d\u7814\u9662\u5929\u6587\u6240)-1111221"},"content":{"rendered":"\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Time\uff1a1111221 (Wed.) 14:20~16:20 <br>Speaker\uff1aProf.<strong>\u6c5f\u5955\u5bec(Yi-Kuan Chiang)<\/strong> <strong>\u4e2d\u592e\u7814\u7a76\u9662\u5929\u6587\u53ca\u5929\u6587\u7269\u7406\u7814\u7a76\u6240\/Institute of Astronomy and Astrophysics, Academia Sinica<\/strong> <br>Title\uff1a<strong>Probing the Cosmic Energy Density Inventory with Tomographic Intensity Mapping<\/strong> <br>Abstract\uff1aThe formation of stars, galaxies, and the large-scale structure in the Universe drives complex energy density flows over a wide range of scales from atomic nuclei to the Hubble length. The net effect could be summarized by a census of the density parameters, \u03a9, for different entries of the cosmic inventory over time. I will talk about my ongoing effort to probe the history of some key cosmic constituents, including stars, dust, thermal and gravitational energy associated with the large-scale structure. These are constrained via intensity mapping of the cosmic UV, IR, and the Sunyaev-Zeldovich effect backgrounds tomographically as functions of redshift via a new clustering-based technique. While these measurements are already pushing our understanding of the Universe, they represent only the beginning of a new chapter of observational cosmology using the entire radiation field as opposed to only detectable bright galaxies. I will conclude by sharing my excitement on the future prospects of extragalactic background intensity mapping. <br>Place\uff1aS101, Gongguan Campus, NTNU<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Time\uff1a1111221 (Wed.) 14:20~16:20 Speaker\uff1aProf.\u6c5f\u5955\u5bec(Yi-Kua 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