visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2016-05-11 16:00 
연사  
장소 E6-2. #1323(1st fl.) 

“The quest for novel high-temperature superconductors---Prospects and progress in iridates”

 

May 11 (Wed.), 4 PM, E6-2. #1323(1st fl.)
Dr. Bumjoon Kim, Max Planck Institute for Solid State Research

 

After nearly three decades of research on high temperature superconductivity, understanding its mechanism still remains a major challenge in condensed matter physics. In this talk, I will give an overview of our group’s approach to realize cuprate superconductivity in a new material system, which sheds new light on the longstanding puzzle. Ruddelsden-popper series iridates display emergent similarity to cuprate superconductors in their crystal, lattice, and magnetic structures, and thus their low-energy physics can be described using the same model Hamiltonian. We have recently reproduced the unique spectroscopic phenomenology of the cuprate superconductors, namely high-temperature Fermi arcs and low-temperature d-wave gap, in the surface of electron-doped Sr2IrO4 and Sr3Ir2O7. Although bulk superconductivity still remains elusive, these observations are a strong indication of surface superconductivity. Our work thus establishes a new material system to investigate the mechanism of high temperature superconductivity. In particular, the condition under which Sr3Ir2O7 exhibit a d-wave gap reveals directly an important role of low-energy magnons.

 

Contact: Yoonsoo Kim (T.2599)

번호 날짜 연사 제목
공지 2025-02-24 16:00    2025년 봄학기 콜로키움 안내
공지 2025-02-27 16:00    2025년 봄 물리학과 특별세미나 (광학/응집물리 분야)
394 2019-04-19 16:00    Graphene and hBN heterostructures file
393 2019-04-23 16:00    From Mott physics to high-temperature superconductivity file
392 2019-04-26 16:00    Robust Quantum Metrology using Strongly Interacting Spin Ensembles and Quantum Convolutional Neural Network file
391 2019-05-01 16:00    Raman and x-ray scattering study on correlated electron systems: two case examples file
390 2019-05-02 16:00    Anomalous optical properties of halide perovskites file
389 2019-05-03 11:00    Exotic Magnetism file
388 2019-05-08 16:00    Imaging valley dependent electron transport in 2D semiconductors file
387 2019-05-09 16:00    Quantum Optical Sensing Using Single Photons And Single Photon Emission from Single Emitters file
386 2019-05-21 16:00    Classification of flat bands according to the band-crossing singularity of Bloch wave functions file
385 2019-05-24 16:00    Infrared spectroscopy study on metal-insulator transitions in layered perovskite iridates file
384 2019-05-30 16:00    Tuning the excitonic properties of semiconductors with light-matter interactions file
383 2019-05-31 11:00    Cavity QED with Spin Qubits file
382 2019-06-04 17:00    Stochastic nature of bacterial eradication using antibiotics file
381 2019-06-12 15:00    The relation between free and interacting fermionic SPT phases file
380 2019-06-17 10:30    Chiral Spintronics file
379 2019-06-24 11:00    Topological photonic anomalies file
378 2019-06-27 14:00    Gapless Kitaev Spin Liquid to Loop and String Gases file
377 2019-06-28 13:30    Magnetic domains and domain wall conduction in pyrochlore iridate thin films and heterostructures file
376 2019-06-28 14:00    1st Research-exchange meeting of computational material physics file
375 2019-07-03 15:00    Many-body quantum electrodynamis (QED) with atoms and photons: A new platform for quantum optics" file