| 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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