Temperature effects in the band structure of topological insulators

Abstract

We study the effects of temperature on the band structure of the Bi${}_2$Se${}_3$ family of topological insulators using first-principles methods. Increasing temperature drives these materials towards the normal state, with similar contributions from thermal expansion and from electron-phonon coupling. The band gap changes with temperature reach $0.3$ eV at $600$ K, of similar size to the changes caused by electron correlation. Our results suggest that temperature-induced topological phase transitions should be observable near critical points of other external parameters.

5 pages, 3 figures

References in corpus (9)

• A topological Dirac insulator in a quantum spin Hall phase : Experimental observation of first strong topological insulator
• Electric Field Induced Topological Phase Transition in Two-Dimensional Few-layer Black Phosphorus
• Topology of density matrices
• Sharp Raman Anomalies and Broken Adiabaticity at a Pressure Induced Transition from Band to Topological Insulator in Sb2Se3
• Two-Dimensional Density-Matrix Topological Fermionic Phases: Topological Uhlmann Numbers
• Topological indices for open and thermal systems via Uhlmann's phase
• Comparing electron-phonon coupling strength in diamond, silicon and silicon carbide: First-principles study
• Phonon-induced topological transitions and crossovers in Dirac materials
• Phonon-induced topological insulation

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