Research data supporting [Probing the topological surface state in Bi2Se3 thin films using temperature-dependent terahertz spectroscopy]

Varun Kamboj, Angadjit Singh, T Ferrus, Harvey Beere, L Duffy, T Hesjedal, Crispin Barnes & David Ritchie
Strong spin-momentum coupling in topological insulators give rise to topological surface states, protected against disorder scattering by time reversal symmetry. The study of these exotic quantum states not only provides an opportunity to explore fundamental phenomenon in condensed matter physics such as the spin hall effect, but also lays the foundation for applications in quantum computing to spintronics. Conventional electrical measurements suffer from substantial bulk interference, making it difficult to clearly identify topological surface state...
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