Studies on the electronic structures of three-dimensional topological insulators by angle resolved photoemission spectroscopy
Studies on the electronic structures of three-dimensional topological insulators by angle resolved photoemission spectroscopy
Yulin Chen1,2,3()
1. Department of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford, OX1 3PU, UK; 2. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA; 3. Geballe Laboratory for Advanced Materials, Departments of Physics and Applied Physics, Stanford University, Stanford, CA 94305, USA
Three-dimensional (3D) topological insulators represent a new state of quantum matter with a bulk gap and odd number of relativistic Dirac fermions on the surface. The unusual surface states of topological insulators rise from the nontrivial topology of their electronic structures as a result of strong spin–orbital coupling. In this review, we will briefly introduce the concept of topological insulators and the experimental method that can directly probe their unique electronic structure: angle resolved photoemission spectroscopy (ARPES). A few examples are then presented to demonstrate the unique band structures of different families of topological insulators and the unusual properties of the topological surface states. Finally, we will briefly discuss the future development of topological quantum materials.
. Studies on the electronic structures of three-dimensional topological insulators by angle resolved photoemission spectroscopy[J]. Frontiers of Physics, 2012, 7(2): 175-192.
Yulin Chen. Studies on the electronic structures of three-dimensional topological insulators by angle resolved photoemission spectroscopy. Front. Phys. , 2012, 7(2): 175-192.
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