visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2016-07-28 16:00 
연사  
장소 #1323(E6-2. 1st fl.) 

Low Dimensional Electrons: On the Road to Hybrid Quantum Systems

 

Jul. 28 (Thu.) 4PM, #1323(E6-2. 1st fl.)

Prof. Johannes Pollanen, Jerry Cowen Chair of Experimental Physics at Michigan State University

 

Creating and controlling novel quantum states of matter is at the forefront of modern condensed matter physics. I will discuss two examples of this paradigm from my experiences studying two-dimensional(2d) electron systems. First, I will describe experiments on a class of 2d liquid crystalline states existing in semiconductor heterostructures. These fascinating states, known as quantum Hall nematics, exhibit a mysterious broken rotational symmetry in the 2d plane. We have found that engineering the device structure can experimentally control this symmetry; thereby demonstrating a unique technique for manipulating the orientation of these exotic quantum states. In the second part of my talk I will describe how high frequency surface acoustic waves(SAW) can be used to elucidate the properties of electronic states in two dimensions. Our recent experiments reveal the presence of a metastable conducting phase in the interior of a quantum Hall state. Finally, I will briefly remark on our efforts at the LHQS to create hybrid quantum systems composed of free electrons floating on the surface of liquid helium coupled to nanoscale structures or topological states of matter. These systems provide a unique platform for studying the fundamental physics of low dimensional electrons and their potential quantum computing applications.

 

Contact: CULTure Lab (h.choi@kaist.ac.kr)

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)
465 2016-11-01 14:30    Search for dark sector particles in the B-factory experiments
464 2017-04-06 16:00    For whom the Belle tolls
463 2024-07-23 16:00    Spin Conversion Research Towards Novel Spintronic Functionalities file
462 2020-12-23 10:00    Online workshop for Quantitative Phase Imaging file
461 2015-10-23 10:30    How to write a good scientific paper[Open lecture series]
460 2018-05-17 13:30    Quantum Spin Liquid in Kitaev Materials file
459 2023-07-12 11:00    Study of spin-1/2 antiferromagnetic kagome Heisenberg model by symmetric projected entangled simplex states
458 2017-09-12 16:00    Exact Solution for the Interacting Kitaev Chain at Symmetric Point file
457 2017-09-13 16:00    An Introduction to Quantum Spin Liquids file
456 2023-12-08 10:30    Novel transport phenomena in insulators
455 2017-11-08 13:00    “Emergent exotic quasiparticles in quantum spin liquids” file
454 2020-09-22 09:30    Physics and applications of soliton microcombs(Quantum- & Nano-Photonics) file
453 2017-04-05 12:00    2017년 4월 첫수 융합포럼 개최 안내(물리학과 & 원자력 및 양자공학과 공동 개최)/The First Wednesday Multidisciplinary Forum in April 2017 organized by Dept. of Physics & Dept. of Nuclear & Quantum Engineering file
452 2024-11-21 16:00  Prof. Ulrich Höfer  Time-resolved photoemission: From bandstructure to orbital movies file
451 2020-10-09 09:00    Quantum Many-Body Simulation file
450 2023-11-08 10:00    [High Energy Theory seminar] The Vacuum Sector of Asymptotically Isometric Codes
449 2018-05-31 16:00    Dynamic control of optical properties with gated-graphene metamaterials file
448 2023-05-17 16:30    Detecting Hidden Photon Dark Matter via the Excitation of Qubits file
447 2023-02-20 16:00    Physics of ferromagnet/superconductor junctions
446 2025-02-17 16:00  Prof. Takehito Yokoyama  Unconventional spin-spin interaction mediated by Cooper pairs or phonons file