Scaling of quantum diffusion in one-dimensional disordered systems

Hiroaki Yamada*, Masaki Goda, Yoji Aizawa, Mitsusada Sano

*この研究の対応する著者

研究成果査読

5 被引用数 (Scopus)

抄録

Dynamics of an electron in a tightly binding one-dimensional disordered system is studied numerically. The time evolution of wavepackets is traced by the time-dependent Schrödinger equation. The mean square displacement of the packet scaled by the localization length shows a universal time evolution from the ballistic regime to the localized regime in an ordinary disordered system. The time evolution in the modified Bernoulli systems with long-range structural correlation also shows the same universal diffusion.

本文言語English
ページ(範囲)3050-3053
ページ数4
ジャーナルJournal of the Physical Society of Japan
61
9
出版ステータスPublished - 1992 9

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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