dorsal/arxiv
View SchemaSpin-triplet paired Wigner crystal stabilized by quantum geometry
| Authors | Dmitry Zverevich, Alex Levchenko, Ilya Esterlis |
|---|---|
| Categories | |
| ArXiv ID | 2601.05318vv1 |
| URL | https://arxiv.org/abs/2601.05318 |
| License | http://creativecommons.org/licenses/by/4.0/ |
Abstract
We have used variational states to analyze the effects of band geometry on the two-dimensional Wigner crystal with one and two electrons per unit cell. At sufficiently low electron densities, we find that increasing Berry curvature drives a transition into a crystalline state composed of spin-triplet pairs carrying relative orbital angular momentum $m=-1$. The essential features of this transition are captured by an effective two-electron quantum dot problem in the presence of Berry curvature. Our results point to a purely electronic, strong-coupling mechanism for local spin-triplet pairing in correlated two-dimensional electron systems with quantum geometry.
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"abstract": "We have used variational states to analyze the effects of band geometry on the two-dimensional Wigner crystal with one and two electrons per unit cell. At sufficiently low electron densities, we find that increasing Berry curvature drives a transition into a crystalline state composed of spin-triplet pairs carrying relative orbital angular momentum $m=-1$. The essential features of this transition are captured by an effective two-electron quantum dot problem in the presence of Berry curvature. Our results point to a purely electronic, strong-coupling mechanism for local spin-triplet pairing in correlated two-dimensional electron systems with quantum geometry.",
"arxiv_id": "2601.05318",
"authors": [
"Dmitry Zverevich",
"Alex Levchenko",
"Ilya Esterlis"
],
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"cond-mat.str-el"
],
"license": "http://creativecommons.org/licenses/by/4.0/",
"title": "Spin-triplet paired Wigner crystal stabilized by quantum geometry",
"url": "https://arxiv.org/abs/2601.05318",
"version": "v1"
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