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Ballistic hot-electron transport in a quantum Hall edge channel defined by a double gate
Shunya Akiyama, Taichi Hirasawa, Yuya Sato +3
Ballistic transport of hot electrons in a quantum Hall edge channel is attractive for studying electronic analog of quantum optics, where the edge potential profile is an important…
Two-step breakdown of a local v = 1 quantum Hall state
Masayuki Hashisaka, Koji Muraki, Toshimasa Fujisawa
We report quantum Hall effect breakdown of a local filling factor v_local = 1 state formed in a bulk v_bulk = 2 system in an AlGaAs/GaAs heterostructure. When a finite source-drain…
Charge equilibration in integer and fractional quantum Hall edge channels in a generalized Hall-bar device
Chaojing Lin, Ryota Eguchi, Masayuki Hashisaka +3
Charge equilibration between quantum-Hall edge states can be studied to reveal geometric structure of edge channels not only in the integer quantum Hall (IQH) regime but also in th…
Spectroscopic study on hot-electron transport in a quantum Hall edge channel
Tomoaki Ota, Shunya Akiyama, Masayuki Hashisaka +2
Hot electron transport in a quantum Hall edge channel of an AlGaAs/GaAs heterostructure is studied by investigating the energy distribution function in the channel. Ballistic hot-e…