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Overview: Berry gauge fields in solids
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Classroom Contents
Topology and the Electromagnetic Responses of Quantum Materials
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- 1 Start
- 2 Topology and the electromagnetic responses of quantum materials
- 3 General themes
- 4 Outline
- 5 Types of order
- 6 Overview: Berry gauge fields in solids
- 7 Topological invariants
- 8 Berry phase
- 9 Berry phase in solids
- 10 Topological insulator in 3D
- 11 What is quantized in a 3D TI? Electrodynamics in insulators...
- 12 Axion E&M
- 13 Graphene QHE
- 14 Topological response
- 15 What about metals?
- 16 Anomalous Hall effect 100+ years
- 17 Two other "mystery" effects in metals:
- 18 3D Dirac and Weyl metals
- 19 Active questions:
- 20 Outline of CME and GME
- 21 So linear response is "geometric" in metals, but not quantized
- 22 Experimental evidence that nonlinear effects are interesting in Weyls
- 23 A quantized effect in Weyl semimetals
- 24 Quantized CPGE
- 25 What is the "quantum"?
- 26 The circular photogalvanic effect in mirror-free 3D-Weyl semimetals is quantized
- 27 Conclusions
- 28 Q&A
