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5 papers · 2 filters
Spin-textures, Berry's phase and Quasiparticle Interference in Bi2Te3: A Topological Insulator with Warped Surface States
M. Z. Hasan, H. Lin, A. Bansil
The energy-momentum relationship of electrons on the surface of an ideal "Hydrogen-Atom" Topological Insulator forms a cone - a Dirac cone, which, when warped and distorted (no lon…
Coulomb-modified Fano interference in a double quantum dot Aharonov-Bohm ring
Weijiang Gong, Xuefeng Xie, Guozhu Wei
In this paper, the Coulomb-induced changes of Fano interference in electronic transport through a double quantum dot Aharonov-Bohm ring are discussed. It is found that the Coulomb…
Discovery (theoretical prediction and experimental observation) of a large-gap topological-insulator class with spin-polarized single-Dirac-cone on the surface
Y. Xia, D. Qian, D. Hsieh +8
Recent theories and experiments have suggested that strong spin-orbit coupling effects in certain band insulators can give rise to a new phase of quantum matter, the so-called topo…
Decoupling and antiresonance in electronic transport through a quantum dot chain embodied in an Aharonov-Bohm interferometer
Yu Han, Weijiang Gong, Haina Wu +1
Electronic transport through a quantum dot chain embodied in an Aharonov-Bohm interferometer is theoretically investigated. In such a system, it is found that only for the configur…
Rashba-induced transverse pure spin currents in a four-terminal quantum dot ring
Weijiang Gong, Yu Han, Guozhu Wei +1
By applying a local Rashba spin-orbit interaction on an individual quantum dot of a four-terminal four-quantum-dot ring and introducing a finite bias between the longitudinal termi…