Superzone gap formation induced by ferroic orders

Ishitobi, Takayuki

We show that superzone gap formation-phenomena usually attributed to antiferroic ordering-can also arise from ferroic orders in materials featuring sublattice structures. Through an analysis of a -orbital tight-binding model on a zigzag chain, we reveal that ferroquadrupolar or ferromagnetic ordering, as well as external magnetic fields, can generate a Su-Schrieffer-Heeger-type gap.

Language	:	English
Journal	:	Journal of the Physical Society of Japan
Volume	:	94
Number	:	7
Pages	:	p.075001_1 - 075001_2
Publication Year/Month	:	2025/07
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Paper URL	:	https://doi.org/10.7566/JPSJ.94.075001
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Registration No. : AA20250150
JAEA Abstracts No. : 53000800
Paper Submission No. : 29594

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