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- Topological_insulator abstract "A topological insulator is a material with trivial topological order that behaves as an insulator in its interior but whose surface contains conducting states, meaning that electrons can only move along the surface of the material. However, the conducting surface is not the unique character of topological insulator, since the ordinary band insulators can also support conductive surface states. What is special is that the surface states of topological insulators are symmetry protected by particle number conservation and time reversal symmetry.In the bulk of a non-interacting topological insulator, the electronic band structure resembles an ordinary band insulator, with the Fermi level falling between the conduction and valence bands. On the surface of a topological insulator there are special states that fall within the bulk energy gap and allow surface metallic conduction. Carriers in these surface states have their spin locked at a right-angle to their momentum (spin-momentum locking). At a given energy the only other available electronic states have different spin, so the "U"-turn scattering is strongly suppressed and conduction on the surface is highly metallic. Non-interacting topological insulators are characterized by an index (known as Z2 topological invariants) similar to the genus in topology.The "protected" conducting states in the surface are required by time-reversal symmetry and the band structure of the material. The states cannot be removed by surface passivation if it does not break the time-reversal symmetry, which does not happen with potential and/or spin-orbit scattering, but happens in case of true magnetic impurities (e.g. spin-cattering).".
- Topological_insulator thumbnail Topological_insulator_band_structure.svg?width=300.
- Topological_insulator wikiPageExternalLink Focus%20on%20Topological%20Insulators.
- Topological_insulator wikiPageExternalLink Topological%20insulators%20(Physics%20World,%20February%202011).pdf.
- Topological_insulator wikiPageExternalLink Physics_on_the_edge.
- Topological_insulator wikiPageExternalLink p3045_1.
- Topological_insulator wikiPageExternalLink whats-a-topological-insulator.
- Topological_insulator wikiPageExternalLink topological-insulators.
- Topological_insulator wikiPageExternalLink 466310a.html.
- Topological_insulator wikiPageExternalLink nphys955.pdf.
- Topological_insulator wikiPageID "23649871".
- Topological_insulator wikiPageLength "19099".
- Topological_insulator wikiPageOutDegree "41".
- Topological_insulator wikiPageRevisionID "683574929".
- Topological_insulator wikiPageWikiLink ARPES.
- Topological_insulator wikiPageWikiLink Angle-resolved_photoemission_spectroscopy.
- Topological_insulator wikiPageWikiLink Antimony.
- Topological_insulator wikiPageWikiLink Antimony_telluride.
- Topological_insulator wikiPageWikiLink Bismuth.
- Topological_insulator wikiPageWikiLink Bismuth_antimonide.
- Topological_insulator wikiPageWikiLink Bismuth_selenide.
- Topological_insulator wikiPageWikiLink Bismuth_telluride.
- Topological_insulator wikiPageWikiLink Cadmium_telluride.
- Topological_insulator wikiPageWikiLink Category:Condensed_matter_physics.
- Topological_insulator wikiPageWikiLink Category:Semiconductors.
- Topological_insulator wikiPageWikiLink Electrical_conductivity.
- Topological_insulator wikiPageWikiLink Electrical_resistivity_and_conductivity.
- Topological_insulator wikiPageWikiLink Electronic_band_structure.
- Topological_insulator wikiPageWikiLink Fermi_level.
- Topological_insulator wikiPageWikiLink Genus_(mathematics).
- Topological_insulator wikiPageWikiLink Helical_Dirac_fermion.
- Topological_insulator wikiPageWikiLink Insulator_(electrical).
- Topological_insulator wikiPageWikiLink Insulator_(electricity).
- Topological_insulator wikiPageWikiLink Kondo_insulator.
- Topological_insulator wikiPageWikiLink Majorana_fermion.
- Topological_insulator wikiPageWikiLink Majorana_particle.
- Topological_insulator wikiPageWikiLink Mercury_telluride.
- Topological_insulator wikiPageWikiLink Nature_(journal).
- Topological_insulator wikiPageWikiLink Nature_magazine.
- Topological_insulator wikiPageWikiLink New_Journal_of_Physics.
- Topological_insulator wikiPageWikiLink Passivation_(chemistry).
- Topological_insulator wikiPageWikiLink Physics_World_(journal).
- Topological_insulator wikiPageWikiLink Quantum_Hall_effect.
- Topological_insulator wikiPageWikiLink Quantum_spin_liquid.
- Topological_insulator wikiPageWikiLink Quantum_well.
- Topological_insulator wikiPageWikiLink Review_of_Modern_Physics_(journal).
- Topological_insulator wikiPageWikiLink Samarium.
- Topological_insulator wikiPageWikiLink Science_News.
- Topological_insulator wikiPageWikiLink Semiconductor.
- Topological_insulator wikiPageWikiLink Spin_liquid.
- Topological_insulator wikiPageWikiLink Spin_quantum_number.
- Topological_insulator wikiPageWikiLink Stanene.
- Topological_insulator wikiPageWikiLink Superconductivity.
- Topological_insulator wikiPageWikiLink Surface_state.
- Topological_insulator wikiPageWikiLink Surface_states.
- Topological_insulator wikiPageWikiLink Symmetry_protected_topological_order.
- Topological_insulator wikiPageWikiLink T-symmetry.
- Topological_insulator wikiPageWikiLink Time-reversal_symmetry.
- Topological_insulator wikiPageWikiLink Topological_order.
- Topological_insulator wikiPageWikiLink File:Topological_insulator_band_structure.svg.
- Topological_insulator wikiPageWikiLinkText "Topological insulator".
- Topological_insulator wikiPageWikiLinkText "Topologically protected surface states".
- Topological_insulator wikiPageWikiLinkText "topological insulator".
- Topological_insulator hasPhotoCollection Topological_insulator.
- Topological_insulator wikiPageUsesTemplate Template:Citation_needed.
- Topological_insulator wikiPageUsesTemplate Template:Cite_journal.
- Topological_insulator subject Category:Condensed_matter_physics.
- Topological_insulator subject Category:Semiconductors.
- Topological_insulator hypernym Material.
- Topological_insulator type Article.
- Topological_insulator type ChemicalCompound.
- Topological_insulator type Article.
- Topological_insulator type Physic.
- Topological_insulator comment "A topological insulator is a material with trivial topological order that behaves as an insulator in its interior but whose surface contains conducting states, meaning that electrons can only move along the surface of the material. However, the conducting surface is not the unique character of topological insulator, since the ordinary band insulators can also support conductive surface states.".
- Topological_insulator label "Topological insulator".
- Topological_insulator sameAs Topologischer_Isolator.
- Topological_insulator sameAs Aislante_topológico.
- Topological_insulator sameAs عایق_توپولوژیک.
- Topological_insulator sameAs Isolant_topologique.
- Topological_insulator sameAs Isolante_topologico.
- Topological_insulator sameAs トポロジカル絶縁体.
- Topological_insulator sameAs टोपोलॉजिकल_इन्शुलेशन.
- Topological_insulator sameAs Izolator_topologiczny.
- Topological_insulator sameAs m.06zrmcx.
- Topological_insulator sameAs Топологический_изолятор.
- Topological_insulator sameAs Топологічний_ізолятор.
- Topological_insulator sameAs Q1488689.
- Topological_insulator sameAs Q1488689.
- Topological_insulator sameAs 拓扑绝缘体.
- Topological_insulator wasDerivedFrom Topological_insulator?oldid=683574929.
- Topological_insulator depiction Topological_insulator_band_structure.svg.
- Topological_insulator isPrimaryTopicOf Topological_insulator.