Piezoelectricity: Quantized charge transport driven by adiabatic deformations

被引：10

作者：

Avron, JE ^{[1
]}

Berger, J ^{[1
]}

Last, Y ^{[1
]}

机构：

[1] CALTECH,DIV PHYS MATH & ASTRON,PASADENA,CA 91125

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.78.511

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the (zero temperature) quantum piezoelectric response of Harper-like models with broken inversion symmetry. The charge transport in these models is related to topological invariants (Chern numbers). We show that there are arbitrarily small periodic modulations of the atomic positions that lead to nonzero charge transport.

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页码：511 / 514

页数：4

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