Dynamics of the fractional quantum Hall edge probed by stroboscope measurements of trions
Sign Up to like & getrecommendations! Published in 2022 at "Applied Physics Letters"
DOI: 10.1063/5.0138332
Abstract: By using observations from pump-probe stroboscopic confocal microscopy and spectroscopy, we demonstrate the dynamics of trions and the fractional quantum Hall edge on the order of ∼1 ps. The propagation of the quantum Hall edge… read more here.
Keywords: quantum hall; fractional quantum; edge; hall edge ... See more keywords
Design and experimental observation of valley-Hall edge states in diatomic-graphene-like elastic waveguides
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.174301
Abstract: We report on the design and experimental validation of a two-dimensional phononic elastic waveguide exhibiting topological valley-Hall edge states. The lattice structure of the waveguide is inspired by diatomic graphene, and it is imprinted in… read more here.
Keywords: hall edge; valley hall; edge; edge states ... See more keywords
Spin-Selective Equilibration among Integer Quantum Hall Edge Channels.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.056802
Abstract: The equilibration between quantum Hall edge modes is known to depend on the disorder potential and the steepness of the edge. Modern samples with higher mobilities and setups with lower electron temperatures call for a… read more here.
Keywords: hall edge; quantum hall; equilibration; edge ... See more keywords
Absence of edge reconstruction for quantum Hall edge channels in graphene devices
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.adf7220
Abstract: Quantum Hall (QH) edge channels propagating along the periphery of two-dimensional (2D) electron gases under perpendicular magnetic field are a major paradigm in physics. However, groundbreaking experiments that could use them in graphene are hampered… read more here.
Keywords: hall edge; reconstruction; quantum hall; edge ... See more keywords
Valley Hall edge solitons in a photonic graphene.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.442338
Abstract: We predict the existence and study properties of the valley Hall edge solitons in a composite photonic graphene with a domain wall between two honeycomb lattices with broken inversion symmetry. Inversion symmetry in our system… read more here.
Keywords: valley hall; edge solitons; hall edge;