Thermoelectric Transport Driven by the Hilbert–Schmidt Distance
2024
Thermoelectric Transport and Quantum Geometry
publication
Evidence: high
Author Information
Author(s): Oh Chang‐geun, Kim Kun Woo, Rhim Jun‐Won
Primary Institution: The University of Tokyo
Hypothesis
The thermoelectric performance of materials is significantly influenced by the Hilbert–Schmidt distance of Bloch wavefunctions.
Conclusion
The study shows that manipulating the geometric properties of Bloch states can improve the performance of thermoelectric devices.
Supporting Evidence
- The thermoelectric power factor can be expressed in terms of the maximum quantum distance.
- When the maximum quantum distance reaches one, the power factor doubles compared to trivial geometry.
- The study highlights the significance of quantum geometry in thermoelectric device performance.
Takeaway
This study found that the shape of certain particles can help make better devices that turn heat into electricity.
Methodology
The research utilized the Boltzmann equation framework to analyze the relationship between quantum distance and thermoelectric properties.
Digital Object Identifier (DOI)
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