一维关联无序导体中的安德森局域化
Evading Anderson localization in a one-dimensional conductor with correlated disorder
摘要：
我们发现，一维无序导体与相关的障碍有一个扩展的状态和Landauer电阻是非零的无限系统尺寸的限制相比，安德森局域化的标度理论的预测。离域跃迁与模型的任何潜在对称性（如粒子-空穴对称性）无关。对于有限长度的导线，该效应表现为随着导线长度的增加而变窄的尖锐传输谐振。实验实现和应用进行了讨论，包括构建窄带滤光片的可能性。
英文摘要：
We show that a one dimensional disordered conductor with correlated disorder has an extended state and a Landauer resistance that is non-zero in the limit of infinite system size in contrast to the predictions of the scaling theory of Anderson localization. The delocalization transition is not related to any underlying symmetry of the model such as particle-hole symmetry. For a wire of finite length the effect manifests as a sharp transmission resonance that narrows as the length of the wire is increased. Experimental realizations and applications are discussed including the possibility of constructing a narrow band light filter.
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