Phase transition in the ν=2 bilayer quantum hall state

A. Sawada, Z. F. Ezawa, H. Ohno, Y. Horikoshi, Y. Ohno, S. Kishimoto, F. Matsukura, M. Yasumoto, A. Urayama

研究成果: Article査読

115 被引用数 (Scopus)

抄録

The width of the Hall plateau and the activation energy were measured in the bilayer quantum Hall state at filling factors ν=2, 1, and 2/3 by changing the total electron density and the density ratio in the two quantum wells. Their behaviors are remarkably different. The ν=1 state is found to be stable over all measured range of the density difference. The ν=2/3 state is stable only around the balanced point. The ν=2 state shows a phase transition between these two types of states as the electron density is changed.

本文言語English
ページ(範囲)4534-4537
ページ数4
ジャーナルPhysical review letters
80
20
DOI
出版ステータスPublished - 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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