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
317 2021-02-02 14:30    Quantum- & Nano-Photonics 세미나(Integrated Nanophotonics with Metamaterials, Microcomb, and Atomic Systems) file
316 2021-01-28 18:00    Quantum metamaterials: concept, theory, prototypes and possible applications file
315 2021-01-28 15:00    Topological Transport of Deconfined Hedgehogs in Magnets file
314 2020-12-23 10:00    Online workshop for Quantitative Phase Imaging file
313 2020-12-11 16:00    Atomic and electronic reconstruction at van der Waals interface in twisted 2D materials
312 2020-12-11 14:30    Antisymmetric interlayer exchange coupling in magnetic multilayers
311 2020-12-10 13:55    Consistency of Boltzmann equation and light dark matter from inflaton decay
310 2020-12-09 10:00    Searching for the QCD axion with the ARIADNE experiment file
309 2020-12-02 10:00    Recent progress in Axion Dark Matter eXperiment (ADMX) technology file
308 2020-11-26 16:00    2020 가을학기 광학분야 특별세미나(Light Engineering Beyond the Diffraction Limit)
307 2020-11-20 16:00    Coherent control of field gradient induced quantum dot spin qubits
306 2020-11-20 14:30    Lumpy Cooper pairs in an iron-based superconductor
305 2020-11-17 12:00    Quantum- & Nano-Photonics" 세미나 시리즈 file
304 2020-11-12 16:00    2020 가을학기 광학분야 특별세미나
303 2020-10-23 14:00    Plasmon spectroscopy of low-dimensional superconductors in fluctuating regime file
302 2020-10-16 16:00    Hidden room-temperature ferroelectricity in CaTiO3 revealed by a metastable octahedral rotation pattern file
301 2020-10-16 14:30    Nanoscale magnetic resonance detection towards nano MRI file
300 2020-10-15 17:00    Time crystals, quasicrystals, and time crystal dynamics in the superfluid universe file
299 2020-10-15 16:00    Graphene-based Josephson junction microwave bolometer file
298 2020-10-15 16:00    Towards resource-efficient and fault-tolerant quantum computation with nonclassical light