Gate-Tunable Resonances and 1D Channel in a Graphene Nanoslide
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866911686851559424 |
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| author | De Beule, Christophe Liu, Ming-Hao Partoens, Bart Covaci, Lucian |
| author_facet | De Beule, Christophe Liu, Ming-Hao Partoens, Bart Covaci, Lucian |
| contents | We present a theory of the graphene nanoslide, a fundamental device for graphene straintronics that realizes a single pseudogauge barrier. We solve the scattering problem in closed form and demonstrate that the nanoslide gives rise to a hybrid pseudogauge and electrostatic cavity in the bipolar regime, and hosts one-dimensional transverse channels. The latter can be tuned using a bottom gate between valley-chiral or counterpropagating modes, as well as one-dimensional flatbands. Hence, the local density of states near the barrier depends strongly on the gate voltage with a tunable sublattice and electron-hole asymmetry. In the presence of electron-electron interactions, the nanoslide allows for \textit{in-situ} tuning between a chiral and ordinary Tomonaga-Luttinger liquid. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_22982 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Gate-Tunable Resonances and 1D Channel in a Graphene Nanoslide De Beule, Christophe Liu, Ming-Hao Partoens, Bart Covaci, Lucian Mesoscale and Nanoscale Physics We present a theory of the graphene nanoslide, a fundamental device for graphene straintronics that realizes a single pseudogauge barrier. We solve the scattering problem in closed form and demonstrate that the nanoslide gives rise to a hybrid pseudogauge and electrostatic cavity in the bipolar regime, and hosts one-dimensional transverse channels. The latter can be tuned using a bottom gate between valley-chiral or counterpropagating modes, as well as one-dimensional flatbands. Hence, the local density of states near the barrier depends strongly on the gate voltage with a tunable sublattice and electron-hole asymmetry. In the presence of electron-electron interactions, the nanoslide allows for \textit{in-situ} tuning between a chiral and ordinary Tomonaga-Luttinger liquid. |
| title | Gate-Tunable Resonances and 1D Channel in a Graphene Nanoslide |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2512.22982 |