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  • 2016/5/31, "Evaluation of disorder introduced by electrolyte gating through transport measurements in graphene"
    Andrew Browning, Norio Kumada, Yoshiaki Sekine, Hiroshi Irie, Koji Muraki and Hideki Yamamoto,
    Appl. Phys. Express 9, 065102 (2016).

  • 2016/5/10, 新実習生: Paul Brasseur

  • 2016/4/22, NTTでの実習終了: Andrew Browning

  • 2016/3/31, 量子光制御研究グループへ異動: 田村 浩之.

  • 2015/3/18, NTTでの実習終了: 芦川 耶眞登

  • 2015/9/8, "Probing the extended-state width of disorder-broadened Landau levels in epitaxial graphene"
    K. Takase, H. Hibino, and K. Muraki, Phys. Rev. B 92, 125407 (2015).

  • 2015/9/4, 報道発表: グラフェンp-n接合を用いた電子のビームスプリッタ動作の原理実証に世界で初めて成功 〜電子の量子光学研究が大きく加速〜 詳しくはこちらをご覧下さい

  • 2015/9/4, "Shot noise generated by graphene p-n junctions in the quantum Hall effect regime"
    N. Kumada, F. D. Parmentier, H. Hibino, D. C. Glattli, and P. Roulleau, Nature Commun. 6, 8068 (2015).

  • 2015/8/20, Harvard Universityへ異動: Trevor David Rhone

  • 2015/8/20, NTTでの実習終了: Clemens Todt

  • 2015/8/14, "Reconfigurable Quantum-Dot Molecules Created by Atom Manipulation"
    Yi Pan, Jianshu Yang, Steven C. Erwin, Kiyoshi Kanisawa, and Stefan Folsch, Phys. Rev. Lett. 115, 076803 (2015).

  • 2015/7/27, "Optical observation of superconducting density of states in luminescence spectra of InAs quantum dots"
    S. S. Mou, H. Irie, Y. Asano, K. Akahane, H. Nakajima, H. Kumano, M. Sasaki, A. Murayama, and I. Suemune, Phys. Rev. B 92, 035308 (2015).

  • 2015/7/13, "Gating a single-molecule transistor with individual atoms"
    Jesus Martinez-Blanco, Christophe Nacci, Steven C. Erwin, Kiyoshi Kanisawa, Elina Locane, Mark Thomas, Felix von Oppen, Piet W. Brouwer, and Stefan Folsch, Nature Phys. 11, 640 (2015).

  • 2015/7/1, "NMR probing of spin and charge order near odd-integer filling in the second Landau level"
    T. D. Rhone, L. Tiemann, and K. Muraki, Phys. Rev. B 92, 041301(R) (2015).

  • 2015/6/19, "Gate-controlled semimetal-topological insulator transition in an InAs/GaSb heterostructure"
    Kyoichi Suzuki, Yuichi Harada, Koji Onomitsu, and Koji Muraki, Phys. Rev. B 91, 245309 (2015).

  • 2015/5/11, 新実習生: Andrew Browning

  • 2015/4/1, 新入社員: 秋保 貴史

  • 2015/4/1, ナノデバイス研究グループに異動: 林 稔晶

  • 2015/3/4, "Circularly Polarized Near-Field Optical Mapping of Spin-Resolved Quantum Hall Chiral Edge States"
    S. Mamyouda, H. Ito, Y. Shibata, S. Kashiwaya, M. Yamaguchi, T. Akazaki, H. Tamura, Y. Ootuka, and S. Nomura, Nano Lett. 15, 2417 (2015).

  • 2015/2/13, NTTでの実習終了: Tran Minh Tien

  • 2015/2/5, "Shot-Noise Evidence of Fractional Quasiparticle Creation in a Local Fractional Quantum Hall State"
    Masayuki Hashisaka, Tomoaki Ota, Koji Muraki, and Toshimasa Fujisawa, Phys. Rev. Lett. 114, 056802 (2015).

  • 2015/1/5, 新実習生: Clemens Todt

  • 2014/12/22, "Resonant Edge Magnetoplasmons and Their Decay in Graphene"
    N. Kumada, P. Roulleau, B. Roche, M. Hashisaka, H. Hibino, I. Petkovic, and D. C. Glattli, Phys. Rev. Lett. 113, 266601 (2014).

  • 2014/10/13, 新実習生: Tran Minh Tien

  • 2014/9/1, 新ポスドク: Francois Couedo

  • 2014/8/20, NTTでの実習終了: Henry Pigot

  • 2014/8/19, 新実習生: 芦川 耶眞登

  • 2014/8/5, "Effects of screening on the propagation of graphene surface plasmons"
    Ken-ichi Sasaki and Norio Kumada, Phys. Rev. B 90, 035449 (2014).

  • 2014/7/18, 報道発表: 高純度半導体における電子の結晶化の観測に成功 〜核磁気共鳴を用いて電子結晶のミクロな構造を探る〜 詳しくはこちらをご覧下さい

  • 2014/7/18, "NMR profiling of quantum electron solids in high magnetic fields"
    L. Tiemann, T. D. Rhone, N. Shibata, K. Muraki, Nature Phys. 10, 648 (2014).

  • 2014/7/15, "Spin-dependent tunneling rates for electrostatically defined GaAs quantum dots"
    M. Yamagishi, N. Watase, M. Hashisaka, K. Muraki, and T. Fujisawa, Phys. Rev. B 90, 035306 (2014).

  • 2014/7/3, "Plasmon transport and its guiding in graphene"
    N. Kumada, R. Dubourget, K. Sasaki, S. Tanabe, H. Hibino, H. Kamata, M. Hashisaka, K. Muraki and T. Fujisawa, New J. Phys. 16, 063055 (2014).

  • 2014/6/27, 報道発表: 原子1個の誤差も無い半導体量子ドットの作製に成功 〜原子ブロックで電子を閉じ込める超精密ナノ構造を実現〜 詳しくはこちらをご覧下さい

  • 2014/6/27, "Quantum dots with single-atom precision"
    Stefan Folsch, Jesus Martinez-Blanco, Jianshu Yang, Kiyoshi Kanisawa, and Steven C. Erwin, Nature Nanotech. 9, 505 (2014).

  • 2014/6/9, "Superconductivity in cuprates with square-planar coordinated copper driven by hole carriers"
    Y. Krockenberger, H. Irie, J. Yan, L. Waterston, B. Eleazer, and H. Yamamoto, Appl. Phys. Express 7 063101 (2014).

  • 2014/4/22, "Josephson coupling through one-dimensional ballistic channel in semiconductor-superconductor hybrid quantum point contacts"
    Hiroshi Irie, Yuichi Harada, Hiroki Sugiyama, and Tatsushi Akazaki, Phy. Rev. B 89, 165415 (2014).

  • 2014/4/1, NTTでの実習終了: 松本 俊一

  • 2014/3/14, "Stable and unstable dynamics of Overhauser fields in a double quantum dot"
    Sonia Sharmin, Koji Muraki, and Toshimasa Fujisawa, Phy. Rev. B 89, 115315 (2014).

  • 2014/3/14, "Photoluminescence fine structures in the fractional quantum Hall effect regime"
    S. Nomura, M. Yamaguchi, H. Tamura, T. Akazaki, Y. Hirayama, M. Korkusinski, and P. Hawrylak, Phys. Rev. B 89, 115317 (2014).

  • 2014/2/10, 報道発表:「朝永-ラッティンジャー流体の励起素過程の観測に成功」〜プラズモン回路の集積化に道〜 詳しくはこちらをご覧下さい

  • 2014/2/10, "Fractionalized wave packets from an artificial Tomonaga-Luttinger liquid"
    H. Kamata, N. Kumada, M. Hashisaka, K. Muraki, and T. Fujisawa, Nature Nanotech. 9, 177 (2014).

  • 2014/1/10, 新実習生: Henry Pigot

  • 2013/12/6, "Distributed-element circuit model of edge magnetoplasmon transport"
    Masayuki Hashisaka, Hiroshi Kamata, Norio Kumada, Kazuhisa Washio, Ryuji Murata, Koji Muraki, and Toshimasa Fujisawa, Phys. Rev. B 88, 235409 (2013).

  • 2013/11/29, The University of New South Walesに移動: 小林 嵩

  • 2013/11/21, "Encapsulated gate-all-around InAs nanowire field-effect transistors"
    Satoshi Sasaki, Kouta Tateno, Guoqiang Zhang, Henri Suominen, Yuichi Harada, Shiro Saito, Akira Fujiwara, Tetsuomi Sogawa, and Koji Muraki, Appl. Phys. Lett. 103, 213502 (2013).

  • 2013/9, NTTでの実習終了: Thomas Ziebarth

  • 2013/8/23, "ν=5/2 fractional quantum Hall state in low-mobility electron systems: Different roles of disorder"
    Gerardo Gamez and Koji Muraki, Phys. Rev. B 88, 075308 (2013).

  • 2013/6/20, "Edge channel transport in the InAs/GaSb topological insulating phase"
    Kyoichi Suzuki, Yuichi Harada, Koji Onomitsu, and Koji Muraki, Phys. Rev. B 87, 235311 (2013).

  • 2013/5/15, "Intrinsic and extrinsic origins of low-frequency noise in GaAs/AlGaAs Schottky-gated nanostructures"
    Kenichi Hitachi, Takeshi Ota, and Koji Muraki, Appl. Phys. Lett. 102, 192104 (2013).

  • 2013/4/1, 新実習生: 松本 俊一

  • 2013/4/1, 新メンバー: 入江 宏 (スピントロニクスグループからの異動)

  • 2013/4/1, 新メンバー: 田村 浩之 (スピントロニクスグループからの異動)

  • 2013/1/16, "Plasmon transport in graphene investigated by time-resolved electrical measurements"
    N. Kumada, S. Tanabe, H. Hibino, H. Kamata, M. Hashisaka, K. Muraki, and T. Fujisawa, Nature Commun. 4, 1363 (2013).

  • 2013/1/11, 新実習生: Thomas Ziebarth

  • 2013/1/9, "Shot noise spectroscopy on a semiconductor quantum dot in the elastic and inelastic cotunneling regimes"
    Yuma Okazaki, Satoshi Sasaki, and Koji Muraki, Phys. Rev. B 87, 041302(R) (2013).

  • 2012/12/21, NTTでの実習終了: Romain Dubuoget

  • 2012/12/3, "Real-space imaging of fractional quantum Hall liquids"
    Junichiro Hayakawa, Koji Muraki, and Go Yusa, Nat. Nanotechnol. 8, 31 (2013).

  • 2012/10/23, "Impact of graphene quantum capacitance on transport spectroscopy"
    K. Takase, S. Tanabe, S. Sasaki, H. Hibino, and K. Muraki Phys. Rev. B 86, 165435 (2012).

  • 2012/7/27, NTTでの実習終了: Henri Suominen

  • 2012/7/4, 新実習生: Romain Dubuoget

  • 2012/6/6, "Frequency conversion of radio-frequency edge magnetoplasmons using a quantum point contact"
    M. Hashisaka, R. Murata, K. Muraki, and T. Fujisawa, Appl. Phys. Lett. 100, 233501 (2012).

  • 2012/4/27, "Magnetic-Field Dependence of Tunnel Couplings in Carbon Nanotube Quantum Dots"
    K. Grove-Rasmussen, S. Grap, J. Paaske, K. Flensberg, S. Andergassen, V. Meden, H. I. Jørgensen, K. Muraki, and T. Fujisawa, Phys. Rev. Lett. 108, 176802 (2012).

  • 2012/4/1, NTTでの実習終了: 鎌田 大

  • 2012/4/1, NTTでの実習終了: 岡崎 雄馬
    (4/1からナノ加工研究グループのポスドク)

  • 2012/2/29, Max Planck Institutに移動: Lars Tiemann

  • 2012/2/17, "Unraveling the Spin Polarization of the ν = 5/2 Fractional Quantum Hall State"
    L. Tiemann, G. Gamez, N. Kumada, and K. Muraki, Science 335, 828 (2012).

  • 2012/1/27, 報道発表:「自然界の基本粒子とは異なる「準粒子」の存在が期待される電子状態を世界で初めて解明」 詳しくはこちらをご覧下さい

  • 2012/2/8, 新ポスドク: Trevor David Rhone

  • 2011/12/7, "Gate Operation of InAs/AlGaSb Heterostructures with an Atomic-Layer-Deposited Insulating Layer"
    Kyoichi Suzuki, Yuichi Harada, Fumihiko Maeda, Koji Onomitsu, Toru Yamaguchi, and Koji Muraki, Appl. Phys. Express 4, 125702 (2011).

  • 2011/11/15, "Observation of Hysteretic Transport due to Dynamic Nuclear Spin Polarization in a GaAs Lateral Double Quantum Dot"
    Takashi Kobayashi, Kenichi Hitachi, Satoshi Sasaki, and Koji Muraki, Phys. Rev. Lett. 107, 216802 (2011).

  • 2011/10/26, "Gate-Dependent Orbital Magnetic Moments in Carbon Nanotubes"
    T. S. Jespersen, K. Grove-Rasmussen, K. Flensberg, J. Paaske, K. Muraki, T. Fujisawa, and J. Nygård, Phys. Rev. Lett. 107, 186802 (2011).

  • 2011/10/24, "Spin-orbital Kondo effect in a parallel double quantum dot"
    Yuma Okazaki, Satoshi Sasaki, and Koji Muraki, Phys. Rev. B 84, 161305(R) (2011).

  • 2011/10/1, 量子光デバイス研究グループへ異動: 日達 研一

  • 2011/9/17, "Low-Frequency Spin Fluctuations in Skyrmions Confined by Wires: Measurements of Local Nuclear Spin Relaxation"
    Takashi Kobayashi, Norio Kumada, Takeshi Ota, Satoshi Sasaki, and Yoshiro Hirayama, Phys. Rev. Lett. 107, 126807 (2011).

  • 2011/9/3, "Dynamical d-wave condensation of exciton-polaritons in a two-dimensional square-lattice potential"
    Na Young Kim, Kenichiro Kusudo, Congjun Wu, Naoyuki Masumoto, Andreas Löffler, Sven Höfling, Norio Kumada, Lukas Worschech, Alfred Forchel, and Yoshihisa Yamamoto, Nature Phys. 7, 681 (2011).

  • 2011/8/1, 新実習生: Henri Suominen

  • 2011/7/23, "Assembling Indium Atoms into Nanostructures on a Cleaved InAs(110) Surface"
    Kyoichi Suzuki, Stefan Fölsch, and Kiyoshi Kanisawa, Appl. Phys. Express 4, 085002 (2011).

  • 2011/7/20, "Edge magnetoplasmon transport in gated and ungated quantum Hall systems"
    N. Kumada, H. Kamata, and T. Fujisawa, Phys. Rev. B 84, 045314 (2011).

  • 2011/5/12, "Impact of Valley Polarization on the Resistivity in Two Dimensions"
    K. Takashina, Y. Niida, V. T. Renard, A. Fujiwara, T. Fujisawa, K. Muraki, and Y. Hirayama, Phys. Rev. Lett. 106, 196403 (2011).

  • 2011/4/1, 新ポスドク: 小林 嵩
    (3/31で実習終了)

  • 2011/3/31, NTTでの実習終了: 楠戸 健一郎
    (4/1から量子光デバイス研究グループの客員研究員)

  • 2011/3/31, 量子固体物性研究グループでの実習終了: 桝本 尚之
    (4/1から量子光デバイス研究グループに移り実習継続)

  • 2011/3/15 - 2011/5/31, グループ間研修: 山端 元音

  • 2011/3/10, Bell Laboratoriesに異動: Gerardo Gamez

  • 2011/1/24, "Gate-dependent spin-orbit coupling in multielectron carbon nanotubes"
    T. S. Jespersen, K. Grove-Rasmussen, J. Paaske, K. Muraki, T. Fujisawa, J. Nygard and K. Flensberg, Nature Phys. 7, 348 (2011).

  • 2010/12/20, NTTでの実習終了: Antoine Gaume

  • 2010/9/17, "Skyrmion Effect on the Relaxation of Spin Waves in a Quantum Hall Ferromagnet"
    D. Fukuoka, K. Oto, K. Muro, Y. Hirayama, and N. Kumada, Phys. Rev. Lett. 105, 126802 (2010).

  • 2010/7/5, 新実習生: Antoine Gaume

  • 2010/3/31, NTTでの実習終了: 長瀬 友宏

  • 2010/2/24, "Voltage-controlled group velocity of edge magnetoplasmon in the quantum Hall regime"
    H. Kamata, T. Ota, K. Muraki, and T. Fujisawa, Phys. Rev. B 81, 085329 (2010).

  • 2010/2/2, "Intrinsic Gap and Exciton Condensation in the nu_T=1 Bilayer System"
    P. Giudici, K. Muraki, N. Kumada, and T. Fujisawa, Phys. Rev. Lett. 104, 056802 (2010).

  • 2010/1/21, "Kondo Effect in a Semiconductor Quantum Dot with a Spin-Accumulated Lead"
    T. Kobayashi, S. Tsuruta, S. Sasaki, T. Fujisawa, Y. Tokura, and T. Akazaki, Phys. Rev. Lett. 104, 036804 (2010).

  • 2010/1/19, "Wide-band capacitance measurement on a semiconductor double quantum dot for studying tunneling dynamics"
    Takeshi Ota, Toshiaki Hayashi, Koji Muraki and Toshimasa Fujisawa, Appl. Phys. Lett. 96, 032104 (2010).

  • 2009/12/30, "Fano-Kondo Interplay in a Side-Coupled Double Quantum Dot"
    S. Sasaki, H. Tamura, T. Akazaki, and T. Fujisawa, Phys. Rev. Lett. 103, 266806 (2009).

  • 2009/9/1, Copenhagen Universityに異動: Kasper Grove-Rasmussen

  • 2009/8/28, "Atom-By-Atom Quantum State Control in Adatom Chains on a Semiconductor"
    S. Fölsch, J. Yang, C. Nacci, and K. Kanisawa, Phys. Rev. Lett. 103, 096104 (2009).

  • 2009/8/28, NTTでの実習終了: Pauline Renoux

  • 2009/7/31, University of Bathに異動: 高品 圭

  • 2009/7/31, NTTでの実習終了: Corentin Durand

  • 2009/7/28, "Correlated Coherent Oscillations in Coupled Semiconductor Charge Qubits"
    G. Shinkai, T. Hayashi, T. Ota, and T. Fujisawa, Phys. Rev. Lett. 103, 056802 (2009).

  • 2009/7/28, "Bidirectional Current Drag Induced by Two-Electron Cotunneling in Coupled Double Quantum Dots"
    G. Shinkai, T. Hayashi, T. Ota, K. Muraki, and T. Fujisawa, Appl. Phys. Exp. 2, 081101 (2009).

  • 2009/7/27, 報道発表:「多機能二量子ビット演算素子の開発に成功」
    詳しくはこちらをご覧下さい

  • 2009/5/18, 招聘教授: Stefan Fölsch from Paul Drude Institut

  • 2009/4/6, 新入社員: 高瀬 恵子

  • 2009/4/6, 新入社員: 日達 研一

  • 2009/4/1, 新ポスドク: Lars Tiemann

  • 2009/4/1, "Electrons and holes in a 40 nm thick silicon slab at cryogenic temperatures" K. Takashina, K. Nishiguchi, Y. Ono, A. Fujiwara, T. Fujisawa, Y. Hirayama, and K. Muraki, Appl. Phys. Lett. 94, 142104 (2009).

  • 2009/4/1, "Spin splitting of upper electron subbands in a SiO2/Si(100)/SiO2 quantum well with in-plane magnetic field"
    Y. Niida, K. Takashina, A. Fujiwara, T. Fujisawa, and Y. Hirayama, Appl. Phys. Lett. 94, 142101 (2009).

  • 2009/4/1, "Room-temperature stability of Pt nanogaps formed by self-breaking"
    F. Prins, T. Hayashi, B. J. A. de Vos van Steenwijk, B. Gao, E. A. Osorio, K. Muraki, and H. S. J. van der Zant, Appl. Phys. Lett. 94, 123108 (2009).

  • 2009/3/31, NTTでの実習終了: 新井田 佳孝

  • 2009/3/31, NTTでの実習終了: 新海 剛

  • 2009/2/17, 新実習生: Pauline Renoux

  • 2009/2/2, 新実習生: Corentin Durand

  • 2009/1/29, "Electron-spin/nuclear-spin interactions and NMR in semiconductors"
    Y. Hirayama, G. Yusa, K. Hashimoto, N. Kumada, T. Ota, and K. Muraki, Semicond. Sci. Technol. 24 (2009) 023001.

  • 2008/12/26, NTTでの実習終了: Zhenzhong Wang

  • 2008/12/22, NTTでの実習終了: Aurelien Peilloux

  • 2008/10/1, "Spatial imaging of valence band electronic structures in a GaSb/InAs quantum well"
    K. Suzuki, K. Kanisawa, S. Perraud, T. Fujisawa, Appl. Surf. Sci. 254, 7889 (2008).

  • 2008/9/29, "Electric Field Induced Nuclear Spin Resonance Mediated by Oscillating Electron Spin Domains in GaAs-Based Semiconductors" N. Kumada, T. Kamada, S. Miyashita, Y. Hirayama, and T. Fujisawa, Phys. Rev. Lett. 101, 137602 (2008).

  • 2008/9/4, "Observation of Bogoliubov excitations in exciton-polariton condensates" S. Utsunomiya, L. Tian, G. Roumpos, C. W. Lai, N. Kumada, T. Fujisawa, M. Kuwata-Gonokami, A. Loffler, S. Hofling, A. Forchel and Y. Yamamoto, Nature Physics 4, 700 (2008).

  • 2008/9/1, 新グループリーダー: 村木康二