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[PDF] Top 20 Topological Insulators: Tight Binding Models and Surface States

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Topological Insulators: Tight Binding Models and Surface States

Topological Insulators: Tight Binding Models and Surface States

... assign topological invariants to physical systems in the same way as one does for topological ...so-called topological phase transition. The discovery of topological phases was quite ... See full document

61

Magnetotransport Methods to Probe Surface States of Topological Insulator Thin Films and Topological Insulator/Ferromagnet (TI/FM) Heterostructures

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 ... See full document

194

Coupling Organic Molecules to Topological Insulators.

Coupling Organic Molecules to Topological Insulators.

... Topological insulators (TIs) are a prime candidate for studying interface effects due to their spin- textured surface states on a bulk insulating ...These topological surface ... See full document

102

THE NEW STATE OF MATTER - TOPOLOGICAL INSULATORS AND QUANTUM PHASE TRANSITION

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 ... See full document

7

Topological Insulators and Superconductors

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 ... See full document

195

Induced Topological Phases at the Boundary of 3D Topological Superconductors

Induced Topological Phases at the Boundary of 3D Topological Superconductors

... present tight-binding models of 3D topological superconductors in class DIII that support a variety of winding ...Majorana surface states emerge at their boundary in agreement ... See full document

6

Electronic States in Disordered Topological Insulators

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 ... See full document

173

Topological tight binding models from nontrivial square roots

Topological tight binding models from nontrivial square roots

... on tight-binding models, ...the topological nature of the bands [17, 18, 20], also in the non-hermitian regime [49–52], and utilizing the protected defect states for phenomena such as ... See full document

18

Topological tight binding models from nontrivial square roots

Topological tight binding models from nontrivial square roots

... for topological con- siderations in differential geometry, where the Atiyah-Singer index theorem addresses its zero modes ...the topological materials considered today are a direct extension of this ... See full document

16

New algebraic relationships between tight binding models

New algebraic relationships between tight binding models

... quantum tight-binding models in a new ...toy models, deriving properties from polynomial relationships with simpler systems, with the primary aim of developing a more concrete understanding of ... See full document

174

Theoretical study of topological insulators : models and materials

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 ... See full document

225

Theory of the Bulk Photovoltaic effect in oxides, and First-Principles Computational Design of Materials with Bulk Dirac Points

Theory of the Bulk Photovoltaic effect in oxides, and First-Principles Computational Design of Materials with Bulk Dirac Points

... Haldane states; as long as time-reversal symmetry was preserved, these states could not interact and a Dirac point would be required to exist at the Γ ...These states were topo- logically protected ... See full document

223

Spin pumping and inelastic electron tunneling spectroscopy in topological insulators

Spin pumping and inelastic electron tunneling spectroscopy in topological insulators

... new topological phase of matter, which has attracted growing attention over the past few ...edge states with opposite spins counterpropagating at a given ...A topological invariant, Z 2 ... See full document

5

Nanomaterials of the topological crystalline insulators, Pb1–xSnxTe and Pb1–xSnxSe

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 ... See full document

15

The dependence of the hydrogen sorption capacity of single walled carbon nanotubes on the concentration of catalyst

The dependence of the hydrogen sorption capacity of single walled carbon nanotubes on the concentration of catalyst

... convex surface site) with different adsorption energies yields excellent fits in both cases and clearly shows that the difference in isotherm shape is due to Sample 2 having fewer of the sites with the higher heat ... See full document

35

Quantum effects in electrical transport properties of Bismuth chalcogenides Topological Insulators

Quantum effects in electrical transport properties of Bismuth chalcogenides Topological Insulators

... corroborating that the WAL effect originates from 2D electronic states. The fitted α = −3.67(1) value deviates significantly from the expected vale of − 1.0 for two 2D conducting channels, at the top and bottom ... See full document

5

(3+1)-dimensional topological quantum field theory from a tight-binding model of interacting spinless fermions

(3+1)-dimensional topological quantum field theory from a tight-binding model of interacting spinless fermions

... chiral topological insulator ...the tight- binding fermions to obtain a generalization of the (3+1)- dimensional massive Thirring model [23] with a tensorial ...1)-dimensional topological ... See full document

17

Ferromagnetism of magnetically doped topological insulators in CrxBi2− xTe3 thin films

Ferromagnetism of magnetically doped topological insulators in CrxBi2− xTe3 thin films

... The surface morphology of thin films changes with an obvious reduction of terrace width, which may due to the competition between Bi atoms and Cr atoms at Bi ...the surface RMS roughness of thin films. As ... See full document

7

Andreev reflection in two dimensional topological insulators with either conserved or broken time reversal symmetry

Andreev reflection in two dimensional topological insulators with either conserved or broken time reversal symmetry

... similar to that shown in Fig. 5. Note that these possible approaches were already outlined in Ref. 8 relative to the observation of the Chern insulating phase in Mn-doped HgTe quantum wells. The same here are broadened ... See full document

5

Scanning Tunnelling Spectroscopic Studies of Dirac Fermions in Graphene and Topological Insulators

Scanning Tunnelling Spectroscopic Studies of Dirac Fermions in Graphene and Topological Insulators

... molecular beam epitaxy (MBE), spatially localized unitary impurity resonances with sensitive dependence on the energy difference between the Fermi level and the Dirac point are observed for samples thicker than 6 ... See full document

7

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