surface states in topological insulators
Topological Insulators: Tight Binding Models and Surface States
... assign topological invariants to quantum systems that cannot change if one continuously changes the Hamiltonian of the system, unless the system undergoes a topological phase ...the topological ...
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Coupling Organic Molecules to Topological Insulators.
... gapless surface states on a bulk insulating material existing in ambient conditions with no external magnetic field required as guaranteed by the materials topological ...These topological ...
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Topological Insulators and Superconductors
... the surface. More importantly, the population of the surface states determines the electric charge distribution near the sur- face, which leads to Hartree and exchange contributions to the ...the ...
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THE NEW STATE OF MATTER - TOPOLOGICAL INSULATORS AND QUANTUM PHASE TRANSITION
... or surface states consisting of an odd number of Dirac ...The topological property manifests itself more dramatically when TR symmetry is preserved in the bulk but broken on the surface, in ...
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Electronic States in Disordered Topological Insulators
... to topological insulator possessing chiral edge states or surface states without backscatterings, it is one of the central questions that how these topologically protected states behave ...
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Magnetotransport Methods to Probe Surface States of Topological Insulator Thin Films and Topological Insulator/Ferromagnet (TI/FM) Heterostructures
... Topological insulators (TIs) are a new class of electronic materials which have a bulk band gap and spin polarized topological surface states (TSS) with a helical spin ...dimensional ...
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Self-organized pseudo-graphene on grain boundaries in topological band insulators
... the topological stability of the edge states of the parent state: The nodes are degenerate in energy only if the bulk inversion symmetry is intact, but TRS is sufficient to protect the nodes themselves (no ...
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Quantum effects in electrical transport properties of Bismuth chalcogenides Topological Insulators
... Topological insulators (TIs) are celebrated novel materials with a peculiar band structure that features a gap for bulk states but may also host spin-polarised surface conducting ...
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Theoretical study of topological insulators : models and materials
... of topological states, w ith opposite spin electrons moving in opposite directions, forlnds ('xact b acksca ttering ...of surface steps on th e S l ) ( l l l ) surface, was inferred l)v ...
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Scattering theory of topological insulators and superconductors
... The topological invariant of a topological insulator (or superconductor) is given by the number of symmetry- protected edge states present at the Fermi ...the topological invariant require ...
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Topological exciton Fermi surfaces in two-component fractional quantized Hall insulators
... Fermi surface whose volume is set by ...Fermi surface of f-Exc’s, leading to insulating charge transport but metallic counter- ...all states are localized by ...
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Scanning Tunnelling Spectroscopic Studies of Dirac Fermions in Graphene and Topological Insulators
... (IQH) states are expected under pseudo-magnetic ...the surface state of Cu substrates provides an additional channel for short-range charge interaction through the electrostatic coupling between the Dirac ...
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Electronic Transport Properties of Two-Dimensional Semiconductors and Topological Insulators with Device Applications.
... Cu(111) surface, the lattice constant is well matched with that of graphene or ...(111) surface finds them around the zone center (see, for example, ...momentum states significantly reduces the ...
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Statistical topological insulators
... the surface to become localized without breaking the symmetries, the bulk must undergo a phase ...a topological phase transition by itself, it is possible to construct a higher dimensional system with its ...
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Random-matrix theory and stroboscopic models of topological insulators and superconductors
... in insulators and ...of topological phases in the presence of disorder is vital to explain experimental ...at topological phase transitions and geodesic ...of surface roughness on the ...
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Bound States and Supercriticality in Graphene-Based Topological Insulators
... defined in Equation (11) conserves both (total and spin) angular currents, while the transformation in Equation (10) reverses the total current but conserves the spin current. Therefore, at any energy, eigenstates ...
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Ferromagnetism of magnetically doped topological insulators in CrxBi2− xTe3 thin films
... Topological insulators (TIs) with dispersionless surface state attract attentions both for fundamental science and potential ...nontrivial surface state is their bulk band inversion and ...
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Theory of non-Abelian Fabry-Perot interferometry in topological insulators
... In this paper we have introduced a theory for a non- Abelian interferometer on the surface state of a 3D topologi- cal insulator brought in proximity to an s-wave supercon- ductor. This theory uses CFT to describe ...
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Spin pumping and inelastic electron tunneling spectroscopy in topological insulators
... large enough to produce spin pumping the spin of the magnetic impurity is driven away from the anisotropy axis. This breaks the topological protection of the helical edge states and the conductance steps ...
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Nanomaterials of the topological crystalline insulators, Pb1–xSnxTe and Pb1–xSnxSe
... After performing the nanomaterial growth, the substrates were removed from the furnace and upon visual inspection, metallic grey features on the surface of the substrates could be seen. The inside of the quartz ...
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