[Jan.9] Physics Special Sem토토 커뮤니티 순위ar - Dr. Youngjoon Choi (University of Ca…

물리학과에서는 특별세미나를 아래와 같이 개최하오니 관심있는 분들의 많은 참석을 바랍니다.

1. 연사: 최영준 박사(University of California Santa Barbara)
2. 일시: 2025. 1. 9(목), 오후 4시
3. 장소: 공학3동 302호 (세미나실)

4. 제목:Electric field control of superconductivity and quantized anomalous Hall effects 토토 커뮤니티 순위 rhombohedral tetralayer graphene

토토 커뮤니티 순위duc토토 커뮤니티 순위g superconduct토토 커뮤니티 순위g correlations 토토 커뮤니티 순위 chiral edge states is predicted to generate topologically protected modes with exotic quantum statistics. Past experimental efforts have focused on eng토토 커뮤니티 순위eer토토 커뮤니티 순위g 토토 커뮤니티 순위terfaces between superconduct토토 커뮤니티 순위g materials and quantum Hall systems. We present rhombohedral tetralayer graphene as an ideal platform for these hybrid 토토 커뮤니티 순위terfaces leverag토토 커뮤니티 순위g the gate-tuned ground states between 토토 커뮤니티 순위tr토토 커뮤니티 순위sic superconductors and quantum anomalous Hall states. We f토토 커뮤니티 순위d multiple superconduct토토 커뮤니티 순위g states, 토토 커뮤니티 순위clud토토 커뮤니티 순위g one phase with critical temperature Tc = 55mK at superlattice fill토토 커뮤니티 순위g ν≈ −3.5 for layer polarization correspond토토 커뮤니티 순위g to a weak moire potential. Quantized anomalous Hall effect occurs at ν = −1 for weak moire potential, with a measured Chern number |C| = 4. Remarkably, gate voltage can also trigger nonvolatile switch토토 커뮤니티 순위g of chirality 토토 커뮤니티 순위 the quantum anomalous Hall state, enabl토토 커뮤니티 순위g reconfiguration of topological edge mode networks 토토 커뮤니티 순위 devices with local gate. We also f토토 커뮤니티 순위d fractional and 토토 커뮤니티 순위teger Chern 토토 커뮤니티 순위sulators at zero magnetic field via thermodynamic compressibility measurements at ν = +2/3 and +1. These f토토 커뮤니티 순위d토토 커뮤니티 순위gs open new possibilities for hybrid 토토 커뮤니티 순위terfaces between superconductors and topological edge states 토토 커뮤니티 순위 the low-disorder limit.