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Yu Zhou
QUP Postdoctoral Fellow
e-mail zhouyu-at-post.kek.jp
I am an experimental physicist and an astronomer. My expertise is on superconducting transition-edge sensor (TES) that is in wide application of astronomy, quantum information experiment, dark matter search, material science and etc, including but not limited to X-ray microcalorimeter and infrared bolometer. I worked in Tsinghua University, UW-Madison, and JAXA/ISAS to develop TES X-ray microcalorimeter and study the hot energetic Universe by X-ray astronomy for future space mission. At QUP, I am contributing to the LiteBIRD project for the large-scale TES bolometer array characterization which aims to measure CMB anisotropy imprinted by the primordial gravitational wave during the cosmic inflation.
Research Content
My research interests are developing ultra-sensitive cryogenic detectors to make breakthrough in discovering signals from very distant celestial object, such as the warm-hot intergalactic medium residing in the cosmic web, the polarization mode of the CMB imprinted by the primordial gravitational wave, and the ripple of space and time disturbed by extremely compact objects like black holes. I also use the X-ray satellite Suzaku, XMM-Newton, and Chandra to study the hot energetic Universe, which contains a rich category of sources, such as the AGNs, galaxies, intergalactic(and intracluster) medium, stellar black holes, stars, diffuse hot gas in the galactic X-ray halo, local hot bubble, and solar wind charge exchange with Earth's magnetosphere or heliosphere. I enjoyed analyzing the puzzling X-ray data and diagnoising the origin of them. I also had a lot of fun in exploring superconductivity physics when characterizing TES detectors, including the test of Josephson effect and vortex dynamics.
