The quantum spin Hall effect and topological insulators
Xiao-Liang Qi,Shou-Cheng Zhang +1 more
TLDR
In topological insulators, spin-orbit coupling and time-reversal symmetry combine to form a novel state of matter predicted to have exotic physical properties as mentioned in this paper, which is called spin−orbit coupling.Abstract:
In topological insulators, spin–orbit coupling and time-reversal symmetry combine to form a novel state of matter predicted to have exotic physical properties.read more
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Topological insulators, topological superconductors and Weyl fermion semimetals: discoveries, perspectives and outlooks
TL;DR: Theoretically, topological physics in lower dimensional condensed matter systems is an experimental reality since the bulk-boundary correspondence can be probed experimentally in lower dimensions as mentioned in this paper.
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Ultrathin Topological Insulator Bi2Se3 Nanoribbons Exfoliated by Atomic Force Microscopy
Seung Sae Hong,Worasom Kundhikanjana,Judy J. Cha,Keji Lai,Desheng Kong,Stefan Meister,Michael A. Kelly,Zhi-Xun Shen,Yi Cui +8 more
TL;DR: This paper reports the first controlled mechanical exfoliation of Bi(2)Se(3) nanoribbons (>50 QLs) by an atomic force microscope (AFM) tip down to a single QL, which afford interesting candidates for studying the transition from quantum spin Hall surface to edge states.
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Magnetic Proximity Effect as a Pathway to Spintronic Applications of Topological Insulators
Ivana Vobornik,Unnikrishnan Manju,Jun Fujii,Francesco Borgatti,Piero Torelli,Damjan Krizmancic,Yew San Hor,Robert J. Cava,Giancarlo Panaccione +8 more
TL;DR: In this article, the long range ferromagnetic at ambient temperature can be induced in Bi2-xMnxTe3 by the magnetic proximity effect through deposited Fe overlayer, which opens a new path to interface-controlled ferromagnetism in TI-based spintronic devices.
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Chiral anomaly, charge density waves, and axion strings from Weyl semimetals
TL;DR: In this paper, the axion string can be realized as the (screw or edge) dislocations in the charge density wave, which provides a simple physical picture for the elusive axion strings, which have important implications for dissipationless transport properties of Weyl semimetals with broken symmetry.
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A large-energy-gap oxide topological insulator based on the superconductor BaBiO3
TL;DR: In this article, it was shown that a known oxide superconductor, BaBiO3, can be doped into a topological insulating state, which would simplify topologically insulator-superconductor structures.
References
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Quantum spin Hall effect in graphene
Charles L. Kane,Eugene J. Mele +1 more
TL;DR: Graphene is converted from an ideal two-dimensional semimetallic state to a quantum spin Hall insulator and the spin and charge conductances in these edge states are calculated and the effects of temperature, chemical potential, Rashba coupling, disorder, and symmetry breaking fields are discussed.
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New Method for High-Accuracy Determination of the Fine-Structure Constant Based on Quantized Hall Resistance
TL;DR: In this article, the Hall voltage of a two-dimensional electron gas, realized with a silicon metal-oxide-semiconductor field effect transistor, was measured and it was shown that the Hall resistance at particular, experimentally well-defined surface carrier concentrations has fixed values which depend only on the fine-structure constant and speed of light, and is insensitive to the geometry of the device.
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Quantum Spin Hall Effect and Topological Phase Transition in HgTe Quantum Wells
TL;DR: In this article, the quantum spin Hall (QSH) effect can be realized in mercury-cadmium telluride semiconductor quantum wells, a state of matter with topological properties distinct from those of conventional insulators.
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Z-2 Topological Order and the Quantum Spin Hall Effect
Charles L. Kane,Eugene J. Mele +1 more
TL;DR: The Z2 order of the QSH phase is established in the two band model of graphene and a generalization of the formalism applicable to multiband and interacting systems is proposed.
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Non-Abelian Anyons and Topological Quantum Computation
TL;DR: In this article, the authors describe the mathematical underpinnings of topological quantum computation and the physics of the subject are addressed, using the ''ensuremath{
u}=5∕2$ fractional quantum Hall state as the archetype of a non-Abelian topological state enabling fault-tolerant quantum computation.