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날짜 2023-01-10 16:00 
일시  
장소 E6-2 #1323 
연사  

* Title: Terahertz Spectroscopy of Quantum Materials

 

* Speaker: Jae Hoon Kim (Yonsei University)  

 

* Date: 4 pm, 10th January 2023 (Tue)

 

* Place: E6-2 1323 (no zoom broadcasting) 

 

Abstract: 

Quantum materials lying at the frontier of condensed matter research call for access to increasingly low frequencies in the electromagnetic spectrum. In particular, the terahertz region is a rich arena for probing exotic quasiparticles associated with novel quantum phenomena. Ultrafast femtosecond lasers developed in the late 1990s brought an unexpected opportunity to implement terahertz time-domain spectroscopy (THz-TDS). Here, we introduce the standard method of THz-TDS and illustrate this technique by presenting several case studies in which the distinct advantages of THz-TDS were utilized to obtain key information on representative quantum materials such as topological insulators, superconductors, and low-dimensional van der Waals magnets.

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