Topological insulators (TIs)
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 states, topo- ...
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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 applications. The reason of this nontrivial surface state is their bulk ...
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Coupling Organic Molecules to Topological Insulators.
... materials topological invariant.[4, 5] These topological insulators (TIs) are a promising candidate for low power consumption devices ...
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Electronic Transport Properties of Two-Dimensional Semiconductors and Topological Insulators with Device Applications.
... Topological insulators (TI), a new quantum state of matter, have been identified as promising ma- terials for a new platform for coherent spin-polarized ...dimensional topological insulators ...
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Scanning Tunnelling Spectroscopic Studies of Dirac Fermions in Graphene and Topological Insulators
... of topological field theories [18] in strongly correlated electronic systems, where topological field theories are shown to provide a classification of order due to macroscopic entanglement that is ...
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Scanning Tunneling Microscopy Studies of Topological Insulators Grown by Molecular Beam Epitaxy
... STM is a surface sensitive technique based on the concept of quantum tunneling. The atomically resolved structure of a surface can be obtained by monitoring the tunneling current in an STM. Besides its unprecedented ...
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THE NEW STATE OF MATTER - TOPOLOGICAL INSULATORS AND QUANTUM PHASE TRANSITION
... of topological insulators and topological superconductors is now one of the most active fields of research in condensed matter physics, developing at a rapid ...classified topological states ...
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Topological Insulators: Tight Binding Models and Surface States
... In this section we review the theory that will form the basis of our discussion of topological insulators. We begin by briefly discussing lattices and crystal structures. We then discuss two versions of an ...
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Theoretical study of topological insulators : models and materials
... distinguish between the two types of topological insulators. The experi ment involves placing m agnetic im purities along one of the edges of the two- dimensional sample, for instance, by using the tip of ...
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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 in the presence of ...
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Andreev reflection in two dimensional topological insulators with either conserved or broken time reversal symmetry
... a topological insulator ribbon either possessing or breaking time-reversal ...of topological insulators exhibit perfect Andreev reflection, which is robust against ...of topological ...
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Statistical topological insulators
... statistical topological insulators ...a topological phase transition and protected from localization due to the combined presence of the statistical symmetry and the symmetry of each element, if ...
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Topological Insulators and Superconductors
... In order to see why this corresponds to a pump for fer- mion parity, suppose a topological superconductor is broken in two places, as shown in Fig. 9. At the ends where the superconductor is cut there will be ...
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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 ...a topological phase transition, ...
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Spin pumping and inelastic electron tunneling spectroscopy in topological insulators
... two-dimensional topological insulator, acts as a source of spin pumping for a magnetic impurity with uniaxial ...Hall topological state have profound effects on the inelastic electron tunneling spectrum of ...
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Universal probes of two-dimensional topological insulators: Dislocation and pi flux
... represent topological observables that probe two-dimensional topological order through binding of the zero-energy ...the topological (Berry phase Skyrmion at the zero momentum) and M (Berry phase ...
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Theory of non-Abelian Fabry-Perot interferometry in topological insulators
... An important difference between the systems is the fol- lowing: in the 5/2 FQH effect the charge density and accord- ingly charge current of anyons may be defined locally since anyons have charge e /4 or e/ 2 in this ...
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Fractional Topological Insulators—A Bosonization Approach
... ν the electron-electron interactions are studied by using the Jordan Wigner phase for composite fermions which give rise to a Luttinger liquid. When the metallic disk is in the proximity with a superconductor, a ...
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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 knowledge ...
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Interfaces of topological insulators and superconductors
... Hence, it follows that the current-phase relation for Majorana particles is 4π periodic as well. This can be interpreted as follows: in the conventional 2π periodic case, Cooper pairs (charge 2e) tunnel. Majorana ...
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