From spin splitting to projected mass in altermagnetic Chern matter
Fuente:
arXiv
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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| Soggetti: | |
| Accesso online: | |
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| _version_ | 1866914571011227648 |
|---|---|
| author | Moharana, Gyanti Prakash |
| author_facet | Moharana, Gyanti Prakash |
| contents | Altermagnetic spin splitting alone does not define Chern matter. The relevant object is the exchange mass projected onto Hall-active surface, valley, orbital or interface sectors. We formulate this projected-mass criterion for compensated magnetic topology. The resulting two-channel $(C,\mathcal{A})$ diagnostic separates hidden compensated Hall responses from additive altermagnetic quantum anomalous Hall phases in a global insulating gap. It also guides interface, thickness and materials design strategies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_14361 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | From spin splitting to projected mass in altermagnetic Chern matter Moharana, Gyanti Prakash Materials Science Altermagnetic spin splitting alone does not define Chern matter. The relevant object is the exchange mass projected onto Hall-active surface, valley, orbital or interface sectors. We formulate this projected-mass criterion for compensated magnetic topology. The resulting two-channel $(C,\mathcal{A})$ diagnostic separates hidden compensated Hall responses from additive altermagnetic quantum anomalous Hall phases in a global insulating gap. It also guides interface, thickness and materials design strategies. |
| title | From spin splitting to projected mass in altermagnetic Chern matter |
| topic | Materials Science |
| url | https://arxiv.org/abs/2605.14361 |