visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2024-01-03 11:00 
일시 Jan 3rd(Wed), 11:00 Am 
장소 E6-2, #1323 
연사 Sunghoon Kim (Ph.D. student, Cornell University) 
물리학과 구성원분들께, 
 
아래와 같이 세미나를 개최하고자 하오니, 관심있는 분들의 많은 참석 부탁드립니다.
 
Date: 11:00 Am, 3rd Jan (Wed)
 
Place: E6-2, #1323
 
Speaker: Sunghoon Kim (Ph.D. student, Cornell University)
 
Title: Interplay of Strong Correlations, Topology, and Disorder in 2D Quantum Matters 
 
Abstract: 

The physics of fractionalized quantum phases can be further enriched by band topology and spatial disorders. This talk will focus on our two recent works involving strongly correlated models with microscopic [1] and mesoscopic [2] spatial disorders, respectively.
In the first part of the talk, I will discuss the fate of 2D topological amorphous systems in the presence of strong on-site repulsive interactions [1]. I will consider an electronic two-orbital model with tunable topology in a 2D amorphous network. Using a parton-based mean-field approach, I will obtain the interacting phase diagram, featuring fractionalized amorphous phases with non-trivial topological properties.
In the second part, I will address non-trivial transport properties across a bandwidth-tuned metal-insulator transition in moiré TMD materials in the presence of mesoscale disorders [2]. To study the effect of disorders, I will construct a random resistor network model based on the theory of a continuous Mott transition at fixed filling of one electron per unit cell in the clean limit. The numerical results will be placed in the context of recent experiments.
[1] Sunghoon Kim, Adhip Agarwala, and Debanjan Chowdhury, Phys. Rev. Lett. 130, 026202 (2023)
[2] Sunghoon Kim, T. Senthil, and Debanjan Chowdhury, Phys. Rev. Lett. 130, 066301 (2023) 

 
번호 날짜 장소 제목
224 2023-01-12 14:40  E6-2 #1323  JILA 1D Wannier-Stark optical lattice clock file
223 2022-01-11 15:00  E6 #1501  Ultrafast optical studies on CDW collective modes of the Weyl-CDW (TaSe4)2I file
» 2024-01-03 11:00  E6-2, #1323  Interplay of Strong Correlations, Topology, and Disorder in 2D Quantum Matters
221 2024-01-25 16:00  CAPP Seminar Room C303, Creation Hall, KAIST Munji Campus  [CAPP seminars] Detecting Gravitational Waves by Elecromagnetic Cavity
220 2024-01-24 15:00  E6-2 #1323  Determination of single molecule loading rate during mechanotransduction file
219 2024-01-16 16:00  E6-2, #2502  [High Energy Theory Seminar] Towards quantum black hole microstates
218 2022-01-12 11:00  Zoom and E6 #1323  Spectroscopic study of trapped ions towards probing dark matter and new physics file
217 2019-02-21 16:00  #5313, E6-2  B-meson charged current anomalies - Theoretical status file
216 2020-02-20 16:00  #1323, E6-2  Unconventional superconductivity in the locally non-centrosymmetric heavy-fermion CeRh2As2 file
215 2020-02-13 16:30  E6-6, #119  Enhanced Light-Matter Interactions in Graphene with Noble Metal Plasmonic Structures file
214 2020-02-12 13:00  E6-2, #5318  From inflation to new weak-scale file
213 2021-02-17 09:00  Online  석학 대중 강연 및 강의 시리즈 file
212 2024-02-16 10:00  E6, #1323  Optical conductivity of superconducting states driven by Van Hove singularities
211 2021-02-15 17:00  Zoom  Magnetic Cluster Octupole Domain evolutation in chiral antiferromagnets file
210 2023-02-28 11:00  E6 Room(#1322)  Topotactic redox engineering toward novel material file
209 2019-02-25 16:00  Rm. 1501 (E6)  Spring 2019: Physics Colloquium file
208 2021-02-02 14:30  Zoom  Quantum- & Nano-Photonics 세미나(Integrated Nanophotonics with Metamaterials, Microcomb, and Atomic Systems) file
207 2018-02-12 15:00  #C303, (Creation Hall 3F, KAIST Munji Campus)  The recent result of XMASS Experiment
206 2017-02-01 14:00  #1323(E6-2. 1st fl.)  Quantum electron optics using flying electrons
205 2019-12-05 16:00  #1323, E6-2  Subwavelenth Photonic Devices: From Single Photon Sources to Solar Cell file