Higher-order topological heat conduction on a lattice for detection of corner states.
basic_science · Level V
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- Record sourced from PubMed, PMID 37723710.
- Also identified by DOI 10.1103/PhysRevE.108.024112.
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Abstract
A heat conduction equation on a lattice composed of nodes and bonds is formulated assuming the Fourier law and the energy conservation law. Based on this equation, we propose a higher-order topological heat conduction model on the breathing kagome lattice. We show that the temperature measurement at a corner node can detect the corner state which causes rapid heat conduction toward the heat bath, and that several-nodes measurement can determine the precise energy of the corner states.