Scalar spin chirality Nernst effect

Go, G.*; Goli, D. P.*; Esaki, Nanse; Tserkovnyak, Y.*; Kim, S. K.*

It remains an open question whether or not the scalar spin chirality itself can exhibit a Hall-type transport. In this work, we show that the answer is yes: The scalar spin chirality is Hall-transported in Kagome ferromagnets and antiferromagnets under an external bias, engendering a phenomenon which we dub the scalar spin chirality Nernst effect. Our findings call for the need to lift the conventional assumption that the scalar spin chirality is a static quantity in order to discover the active roles of the scalar spin chirality in transport properties.

Language	:	English
Journal	:	Physical Review Research (Internet)
Volume	:	7
Number	:	2
Pages	:	p.L022066_1 - L022066_7
Publication Year/Month	:	2025/06
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Paper URL	:	https://doi.org/10.1103/y3m6-25rw
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Scalar spin chirality; Nernst Effect; ベリー曲率; スピントロニクス
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Cooperating Institute	:	University of California, Los Angeles; 東京大学; Korea Advanced Institute of Science and Technology

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Registration No. : AA20250199
JAEA Abstracts No. : 53000821
Paper Submission No. : 29615

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