visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2017-11-03 14:30 
연사  
장소 #1323 (1st fl., E6-2.) 

In this talk we present the recent studies on the charge relaxation in the mesoscopic resistor-capacitor circuit consisting of a quantum dot coupled to Majorana fermion modes. Here we consider two Majorana edge modes: (1) the edge modes in a chiral topological superconductor and (2) the localized Majorana bound state formed at the end of a superconducting wire. In both cases, we report a complete suppression of the low-frequency charge relaxation due to a Majorana-oriented destructive interference if some conditions are met. On the other hand, by tuning the dot level or the overlap between Majorana bound states, the relaxation resistance can be substantially enhanced, which is also due to the nature of Majorana fermions, which are their own antiparticles and are composed of particle and hole excitations in the same abundance. Finally, we discuss the possibility that the quantum capacitance in Majorana systems is not necessarily proportional to the density of states.

20171103_이민철.pdf

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)
534 2024-05-01 16:00    [High Energy Theory Seminar] Across the Mass Spectrum: Utilizing Small-Scale Structures to Probe Dark Matters
533 2024-04-19 15:00    Engineering Physics for Semiconductor Equipment Innovation file
532 2024-04-11 16:00    Theoretical Studies of the Electric Field Induced Thermal Hall Effect in the Quantum Dimer Magnets XCuCl3 (X = Tl, K)
531 2024-03-28 11:00    Geometric characterization of thermoelectric performance of two-dimensional quadratic band-crossing semimetals
530 2024-03-27 16:00    [High Energy Theory Seminar] The Callan Rubakov Effect
529 2024-03-20 16:00    [High-Energy Theory Seminar] Black hole states at finite N
528 2024-03-13 16:00    [High-Energy Theory Seminar] The Schwarzschild Black Hole from Perturbation Theory to all Orders
527 2024-03-08 11:00    2024 봄학기 광학분야 및 응집물리 특별세미나 전체 일정 file
526 2024-03-07 16:00    [CAPP seminars] Development of Superconducting Transition Edge Sensors at SRON file
525 2024-02-26 16:00    2024 봄학기 콜로키움 전체 일정 file
524 2024-02-16 10:00    Optical conductivity of superconducting states driven by Van Hove singularities
523 2024-01-26 15:00    In-situ 4D-STEM studies on surface reconstruction and polarization switching of perovskite oxides
522 2024-01-25 16:00    [CAPP seminars] Detecting Gravitational Waves by Elecromagnetic Cavity
521 2024-01-24 15:00    Determination of single molecule loading rate during mechanotransduction file
520 2024-01-16 16:00    [High Energy Theory Seminar] Towards quantum black hole microstates
519 2024-01-16 14:00    Dimer Physics and Superconductivity in La3Ni2O7
518 2024-01-03 11:00    Interplay of Strong Correlations, Topology, and Disorder in 2D Quantum Matters
517 2023-12-19 16:00    [High Energy Theory Seminar] Non-invertible symmetries, leptons, quarks, and why multiple generations
516 2023-12-14 16:00    Superconducting qubits for large-scale quantum computers file
515 2023-12-08 10:30    Novel transport phenomena in insulators