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SUMMARY:Exploring and controlling the quantum materials with light
DTSTART;VALUE=DATE-TIME:20251128T020000Z
DTEND;VALUE=DATE-TIME:20251128T024000Z
DTSTAMP;VALUE=DATE-TIME:20260720T111100Z
UID:indico-event-4593@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Tao Dong (董涛) (Peking University)\n\nHost: Prof
 . Dong Lai (赖东)Tencent meeting link: https://meeting.tencent.com/dm/G
 rXx1g2K6BPc   (Meeting ID:  942 857 663    no password) Abstract:U
 ltrafast optical spectroscopy in the linear-response regime is a crucial t
 echnique for studying electronic excitations and charge dynamics in quantu
 m materials. Combining this spectroscopy with extreme external conditions
 —such as pressure—allows for the investigation of charge dynamics and 
 the formation of energy gaps in pressurized superconductors. In the regime
  of strong perturbation\, intense photoexcitation can generate a sufficien
 t population of excited electrons or drive collective modes to large ampli
 tudes\, leading the system into metastable or long-lived states that do no
 t have equilibrium counterparts. This talk will first review ultrafast opt
 ical techniques\, followed by a focused discussion of our recent work: the
  detection of the superconducting gap using pump-probe spectroscopy under 
 pressure\, and the demonstration of light-controlled functionality in low-
 dimensional materials. Bio:Dr. Tao Dong earned his Ph.D. in Condensed Mat
 ter Physics from the Institute of Physics\, Chinese Academy of Sciences\, 
 in 2014. He currently serves as a Research Associate Professor at the Inte
 rnational Center for Quantum Materials\, School of Physics\, Peking Univer
 sity. His research focuses on developing and applying advanced optical tec
 hniques—ranging from the terahertz to the visible spectrum—to investig
 ate and control the properties of materials with strong electron correlati
 ons and novel quasiparticle excitations. To date\, he has authored over 70
  publications\, including Physical Review Letters/X (2)\, Nature Communica
 tions (1)\, Science Advances (2)\, and one invited review article.\n\nhttp
 s://indico-tdli.sjtu.edu.cn/event/4593/
LOCATION:Tsung-Dao Lee Institute/N6F-N600 - Lecture Room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/4593/
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