Interaction Effects and Pseudogap in Two-Dimensional Lateral Tunnel Junctions
介观与纳米尺度物理
2011-01-31 v1 强关联电子
摘要
Tunneling characteristics of a two-dimensional lateral tunnel junction (2DLTJ) are reported. A pseudogap on the order of Coulomb energy is detected in the tunneling density of states (TDOS) when two identical two-dimensional electron systems are laterally separated by a thin energy barrier. The Coulombic pseudogap remains robust well into the quantum Hall regime until it is overshadowed by the cyclotron gap in the TDOS. The pseudogap is modified by in-plane magnetic field, demonstrating a non-trivial effect of in-plane magnetic field on the electron-electron interaction.
引用
@article{arxiv.cond-mat/0602648,
title = {Interaction Effects and Pseudogap in Two-Dimensional Lateral Tunnel Junctions},
author = {P. Jiang and I. Yang and W. Kang and L. N. Pfeiffer and K. W. Baldwin and K. W. West},
journal= {arXiv preprint arXiv:cond-mat/0602648},
year = {2011}
}
备注
5 pages, 4 figures