Response function of four-dimensional topological insulator

Response function of four-dimensional topological insulator

In this paper, we apply linear response theory to investigate the current-current response in four-dimensional topological insulator (TI). For lattices with periodic boundary conditions, we show that the bulk DC response function is proportional to the first Chern Number (1CN) and equal to the 2D...

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Bibliographic Details
Main Author: Theofilus, Dustin Erhard
Other Authors: Chong Yidong
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2024
Subjects:
Physics
Topological insulator
Haldane lattice
Four-dimensional lattice
Linear response theory
First chern number
Hall conductivity
Edge currents
Online Access:https://hdl.handle.net/10356/175654
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Institution: Nanyang Technological University
Language: English

Internet

https://hdl.handle.net/10356/175654

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