The London Equation in Quantum Spin Hall System with Electronic Correlation
Jun Goryo, Nobuki Maeda
TL;DR
This paper demonstrates that the London equation can be derived from the effective field theory of a correlated Kane-Mele model, linking quantum spin Hall effects with electromagnetic response in correlated systems.
Contribution
It introduces a novel connection between the London equation and the correlated Kane-Mele model, expanding understanding of electromagnetic responses in quantum spin Hall systems.
Findings
London equation derived from correlated KM model
Effective field theory applied to layered system
Link between quantum spin Hall effect and electromagnetic response
Abstract
The Kane-Mele (KM) model is proposed to describe the quantum spin Hall effect of electrons on the two-dimensional honeycomb lattice. Here, we will show that, in a certain parameter region, the London equation is obtained from the effective field theory of the layered KM model with an electronic correlation.
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