Probing spin states in quantum dots by spin-resolved one-dimensional contacts

被引：0
|
作者：
Hitachi, K. [1 ]
Yamamoto, M. [2 ,3 ]
Tarucha, S. [2 ,4 ]
机构：
[1] Univ Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan
[2] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
[3] JST, SORST, Kanagawa 2430198, Japan
[4] JST, ICOPE, Kanagawa 2430198, Japan
来源：
LOW TEMPERATURE PHYSICS, PTS A AND B | 2006年 / 850卷
关键词：
quantum dot; quantum wire; spin selectivity;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We fabricate a quantum dot (QD) with tunnel-coupled quantum wires (QWs) to study the electronic states of the QD with the QWs as spin filters. The propagating modes of the QWs are adjusted with gate voltages to be either spin-resolved (n=1) or spin degenerate (n=2) under finite magnetic fields. Only for the n=1 QWs, we observe large and small Coulomb peaks alternating with magnetic field in the filling factor regime of v=2 to 4, which is assigned to singlet-triplet transitions induced by correlation effects.
引用
收藏
页码：1367 / +
页数：2
相关论文
共 50 条
  • [1] Controlled Coupling of Spin-Resolved Quantum Hall Edge States
    Karmakar, Biswajit
    Venturelli, Davide
    Chirolli, Luca
    Taddei, Fabio
    Giovannetti, Vittorio
    Fazio, Rosario
    Roddaro, Stefano
    Biasiol, Giorgio
    Sorba, Lucia
    Pellegrini, Vittorio
    Beltram, Fabio
    [J]. PHYSICAL REVIEW LETTERS, 2011, 107 (23)
  • [2] Spin-resolved quantum interference in graphene
    Lundeberg, Mark B.
    Folk, Joshua A.
    [J]. NATURE PHYSICS, 2009, 5 (12) : 894 - 897
  • [3] Spin-resolved quantum interference in graphene
    Mark B. Lundeberg
    Joshua A. Folk
    [J]. Nature Physics, 2009, 5 : 894 - 897
  • [4] Probe-assisted spin manipulation in one-dimensional quantum dots
    Gindikin, Yasha
    Sablikov, Vladimir A.
    [J]. PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS, 2015, 9 (06): : 366 - 370
  • [5] One-dimensional quantum spin dynamics of Bethe string states
    Yang, Wang
    Wu, Jianda
    Xu, Shenglong
    Wang, Zhe
    Wu, Congjun
    [J]. PHYSICAL REVIEW B, 2019, 100 (18)
  • [6] Quasifree States in Some One-Dimensional Quantum Spin Models
    Yu. G. Stroganov
    [J]. Theoretical and Mathematical Physics, 2004, 139 : 542 - 556
  • [7] Quasifree states in some one-dimensional quantum spin models
    Stroganov, YG
    [J]. THEORETICAL AND MATHEMATICAL PHYSICS, 2004, 139 (01) : 542 - 556
  • [8] Control of electron spin at spin-resolved quantum Hall edges
    Shimizu, Takase
    Hashimoto, Yoshiaki
    Nakainura, Taketomo
    Endo, Akira
    Katsumoto, Shingo
    [J]. 2019 COMPOUND SEMICONDUCTOR WEEK (CSW), 2019,
  • [9] Band structure and spin polarization for a one-dimensional array of quantum point contacts
    Heyman, A
    Yakimenko, II
    Berggren, KF
    [J]. NANOTECHNOLOGY, 2004, 15 (01) : 143 - 148
  • [10] Spin-resolved density of states at the surface of NiMnSb
    Zhu, W
    Sinkovic, B
    Vescovo, E
    Tanaka, C
    Moodera, JS
    [J]. PHYSICAL REVIEW B, 2001, 64 (06): : 604031 - 604034
12345