Mostrando 841 - 860 Resultados de 32,622 Para Buscar '"Hall ', tiempo de consulta: 1.82s Limitar resultados
  1. 841
    “…The Monty Hall Dilemma (MHD) is a two-step decision problem involving counterintuitive conditional probabilities. …”
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  2. 842
    “…Here we report a new parity effect of quantum Hall edge transport in graphene antidot devices with pn junctions (PNJs). …”
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  3. 843
    “…The integer quantum Hall effect is a topological state of quantum matter in two dimensions, and has recently been observed in three-dimensional topological insulator thin films. …”
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  4. 844
    “…Massless Dirac electron systems such as graphene exhibit a distinct half-integer quantum Hall effect, and in the bipolar transport regime co-propagating edge states along the p–n junction are realized. …”
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  5. 845
    por Huang, Haiyun, Wang, Dejun, Xu, Yue
    Publicado 2015
    “…This monolithic Hall sensor chip features a highly sensitive horizontal switched Hall plate and an efficient signal conditioner using dynamic offset cancellation technique. …”
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  6. 846
    “…The quantum anomalous Hall system with Chern number 2 can be destroyed by sufficiently strong disorder. …”
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  7. 847
    “…Band-inverted electron-hole bilayers support quantum spin Hall insulator and exciton condensate phases. Interest in quantum spin Hall effect in these systems has recently put them in the spotlight. …”
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  8. 848
    por Cage, M. E., Jeffery, A.
    Publicado 1998
    “…In all experiments reported to date the measured values of the ac quantized Hall resistances R(H) varied with the frequency of the applied current, and differed significantly from the dc values of R(H), making it difficult to use the ac quantum Hall effect as an absolute impedance standard. …”
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  9. 849
    “…The quantum Hall effect is a macroscopic quantum phenomenon in a two-dimensional electron system. …”
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  10. 850
    por Cage, M. E.
    Publicado 1996
    “…Quantized longitudinal voltage drops are observed along a length of a GaAs/AlGaAs heterostructure quantum Hall effect device at applied currents large enough for the device to be in the breakdown regime. …”
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  11. 851
    “…Noticeably, these four newly proposed two-dimensional (2D) systems are verified to be quantum spin Hall (QSH) insulators by calculating the edge states with obvious linear cross inside bulk energy gap. …”
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  12. 852
    “…Here we report the experimental indication of the topological magnetoelectric effect, which is exemplified by magneto-optical Faraday and Kerr rotations in the quantum anomalous Hall states of magnetic topological insulator surfaces by terahertz magneto-optics. …”
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  13. 853
    “…Using first-principles electronic structure calculations, we predict half-fluorinated GaBi honeycomb under tensile strain to harbor a quantum anomalous Hall (QAH) insulator phase. We show that this QAH phase is driven by a single inversion in the band structure at the Γ point. …”
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  14. 854
    “…Interplay between topology and strong electron-electron interactions leads to lots of fascinating effects since the discovery of the fractional quantum Hall effect. Here, we theoretically study the Rashba-type spin-orbit coupling effect on a fractional quantum spin Hall system by means of finite size exact diagonalization. …”
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  15. 855
    “…In the present work, we demonstrate that both GaBi(3) and InBi(3) monolayers are Quantum Spin Hall insulators. Here, the electronic band structures and edge states of the two novel monolayers are systematically investigated by first principle calculation. …”
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  16. 856
    “…We report on the observation of periodic conductance oscillations near quantum Hall plateaus in suspended graphene nanoribbons. …”
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  17. 857
  18. 858
    “…We identify Shockley-Read-Hall recombination as the main decay process in insulated perovskite layers and quantify the additional performance degradation due to interface recombination in heterojunctions.…”
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  19. 859
    “…Quantum spin Hall system can exhibit exotic spin transport phenomena, mediated by its topological edge states. …”
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  20. 860
    por Zhang, W. Q., Shen, H. Z., Yi, X. X.
    Publicado 2017
    “…In this paper, we systematically study the Hall conductance of a two-band model under the influence of its environment by treating the system and its environment on equal footing. …”
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