Journal
PHYSICA SCRIPTA
Volume T164, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0031-8949/2015/T164/014001
Keywords
topological insulators; topological superconductors; quantum Hall effects
Categories
Funding
- U.S. DOE [DE-FG-02-05ER46200, AC03-76SF00098, DE-FG02-07ER46352]
- A P Sloan Foundation (New York)
- Gordon and Betty Moore foundation (California) [GBMF4547]
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Unlike string theory, topological physics in lower dimensional condensed matter systems is an experimental reality since the bulk-boundary correspondence can be probed experimentally in lower dimensions. In addition, recent experimental discoveries of non-quantum-Hall-like topological insulators, topological superconductors, Weyl semimetals and other topological states of matter also signal a clear departure from the quantum-Hall-effect-like transport paradigm that has dominated the field since the 1980s. It is these new forms of matter that enabled realizations of topological-Dirac, Weyl cones, helical-Cooper-pairs, Fermi-arc-quasiparticles and other emergent phenomena in fine-tuned photoemission (ARPES) experiments since ARPES experiments directly allow the study of bulk-boundary (topological) correspondence. In this proceeding we provide a brief overview of the key experiments and discuss our perspectives regarding the new research frontiers enabled by these experiments. Taken collectively, we argue in favor of the emergence of 'topological-condensed-matterphysics' in laboratory experiments for which a variety of theoretical concepts over the last 80 years paved the way.
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