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Landau level evolution driven by band hybridization in mirror symmetry broken ABA-stacked trilayer graphene
Yuya Shimazaki, Toru Yoshizawa, Ivan V. Borzenets +7
Layer stacking and crystal lattice symmetry play important roles in the band structure and the Landau levels of multilayer graphene. ABA-stacked trilayer graphene possesses mirror-…
Fast probe of local electronic states in nanostructures utilizing a single-lead quantum dot
Tomohiro Otsuka, Shinichi Amaha, Takashi Nakajima +8
Transport measurements are powerful tools to probe electronic properties of solid-state materials. To access properties of local electronic states in nanostructures, such as local…
Tunneling induced spin dynamics in a quantum dot-lead hybrid system
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq +11
Semiconductor quantum dots (QDs) offer a platform to explore the physics of quantum electronics including spins. Electron spins in QDs are considered good candidates for quantum bi…
Low-temperature behavior of transmission phase shift across a Kondo correlated quantum dot
S. Takada, M. Yamamoto, C. Bäuerle +5
We study the transmission phase shift across a Kondo correlated quantum dot in a GaAs heterostructure at temperatures below the Kondo temperature (), where the phase…
Detection and control of charge states in a quintuple quantum dot
Takumi Ito, Tomohiro Otsuka, Shinichi Amaha +8
A semiconductor quintuple quantum dot with two charge sensors and an additional contact to the center dot from an electron reservoir is fabricated to demonstrate the concept of sca…
Coherent electron-spin-resonance manipulation of three individual spins in a triple quantum dot
Akito Noiri, Jun Yoneda, Takashi Nakajima +8
Quantum dot arrays provide a promising platform for quantum information processing. For universal quantum simulation and computation, one central issue is to demonstrate the exhaus…