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Electric Polarization of Heteropolar Nanotubes as a Geometric Phase

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Mele, E. J., Král, Petr·2002·Physical Review Letters

Abstract

The threefold symmetry of planar boron nitride (BN), the III-V analog to graphene, prohibits an electric polarization in its ground state, but this symmetry is broken when the sheet is wrapped to form a BN nanotube. We show that this leads to an electric polarization along the nanotube axis which is controlled by the quantum mechanical boundary conditions on its electronic states around the tube circumference. Thus the macroscopic dipole moment has an intrinsically nonlocal quantum mechanical origin from the wrapped dimension. We formulate this novel phenomenon using the Berry's phase approach and discuss its experimental consequences.

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Metadata

Authors
Mele, E. J., & Král, P.
Venue
Physical Review Letters
Published
2002-01-18
Volume
88
Issue
5
Pages
056803-056803
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2081518143
Cited by
281
References
1
FWCI
12.63
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Electric Polarization of Heteropolar Nanotubes as a Geometric Phase. https://app.cochat.ai/papers/10.1103/physrevlett.88.056803
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Mele, E. J., & Král, P. (2002). Electric Polarization of Heteropolar Nanotubes as a Geometric Phase. Physical Review Letters. https://doi.org/10.1103/physrevlett.88.056803

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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