visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2023-06-26 11:00 
일시 June 26(Mon), 11:00AM 
장소 E6, Rm#1323 
연사 Dr. Ji Zou (Department of Physics , University of Basel) 
Dr. Ji Zou(University of Basel) 모시고 'Quantum computing on magnetic racetracks with flying domain wall qubits ' 주제에 대한 세미나를 개최합니다. 많은 참여 부탁드립니다.
------------------------------------------------------------------------------------------------------------------
1) Time
    - at 11:00 on June 26, 2023 
 
2) Venue
    - E6, Rm#1323
 
3) Speaker
    - Dr. Ji Zou (Department of Physics , University of Basel)
 
4) Talk Title
    - Quantum computing on magnetic racetracks with flying domain wall qubits
 
5) Abstract
    -  Domain walls (DWs) on magnetic racetracks are at the core of the field of spintronics, providing a basic element for classical information processing [1]. Here, we show that mobile DWs also provide a blueprint for large-scale quantum computers [2]. Remarkably, these DW qubits showcase exceptional versatility, serving not only as stationary qubits, but also performing the role of solid-state flying qubits. We estimate that our DW qubits are long-lived because they can be operated at sweet spots to reduce potential noise sources. Single-qubit gates are deftly implemented by moving the DW, and two-qubit entangling gates exploit naturally emerging interactions between different DWs. These gates, sufficient for universal quantum computing, are fully compatible with current state-of-the-art experiments on racetrack memories. Further, we discuss possible strategies for qubit readout and initialization, paving the way toward future quantum computers based on mobile topological textures on magnetic racetracks.
 
[1] S. S. P. Parkin, M. Hayashi, L. Thomas, Magnetic domain-wall racetrack memory, Science 320, 190–194 (2008);
[2] J. Zou, S. Bosco, B. Pal, S. S. P. Parkin, J. Klinovaja, D. Loss, Domain wall qubits on magnetic racetracks, arXiv:2212.12019
번호 날짜 장소 제목
513 2016-07-08 11:00  #1323(E6-2. 1st fl.)  Isostatic magnetism
512 2016-11-11 13:30  #1323(E6-2. 1st fl.)  Bandgap Engineering of Black Phosphorus
511 2016-07-07 14:00  #1323(E6-2. 1st fl.)  Let there be topological superconductors
510 2017-02-01 14:00  #1323(E6-2. 1st fl.)  Quantum electron optics using flying electrons
509 2016-11-16 16:00  #1323(E6-2. 1st fl.)  Realizing Haldane Model in Fe-based Honeycomb Ferromagnetic Insulators
508 2018-10-19 10:00  #1323, E6-2  Energy conversion processes during magnetic reconnection in a laboratory plasma file
507 2018-05-31 16:00  #1323, E6-2  Dynamic control of optical properties with gated-graphene metamaterials file
506 2018-10-04 16:00  #1323, E6-2  Engineering light absorption in an ultrathin semiconductor metafilm file
505 2019-12-05 16:00  #1323, E6-2  Subwavelenth Photonic Devices: From Single Photon Sources to Solar Cell file
504 2019-10-15 16:00  #1323, E6-2  Moiré superlattices and graphene quasicrystal file
503 2018-10-16 10:00  #1323, E6-2  Capturing protein cluster dynamics and gene expression output in live cells file
502 2019-11-05 16:00  #1323, E6-2  Study on nanomaterials by the development of ultrahigh resolution laser-photoelectron microscopy (PEEM) file
501 2018-11-01 16:00  #1323, E6-2  Direct holography from a single snapshot file
500 2019-12-18 16:00  #1323, E6-2  Road to Higher Tc Superconductivity file
499 2018-11-21 15:00  #1323, E6-2  Engineering topological quantum physics at the atomic scale file
498 2018-05-09 16:00  #1323, E6-2  Recent advances in thermoelectric bulk composites file
497 2018-10-11 16:00  #1323, E6-2  Dirac electrons in a graphene quasicrystal file
496 2019-09-18 16:00  #1323, E6-2  Exploring Synthetic Quantum Matter in Superconducting Circuits file
495 2019-10-25 15:00  #1323, E6-2  Physics Seminar file
494 2018-10-15 16:00  #1323, E6-2  Universal properties of macroscopic current-carrying systems file