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  • 31/5/2016, "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).

  • 10/5/2016, New internship student: Paul Brasseur

  • 22/4/2016/, Andrew Browning finished his internship at NTT.

  • 31/3/2016, Moved to Quantum Optical State Control Research Group: Hiroyuki Tamura

  • 18/3/2016, Yamato Ashikawa finished his internship at NTT.

  • 8/9/2015, "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).

  • 4/9/2015, "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).

  • 20/8/2015, Moved to Harvard University: Trevor David Rhone

  • 20/8/2015, Clemens Todt finished his internship at NTT.

  • 14/8/2015, "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).

  • 27/7/2015, "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).

  • 13/7/2015, "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).

  • 1/7/2015, "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).

  • 19/6/2015, "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).

  • 11/5/2015, New internship student: Andrew Browning

  • 1/4/2015, New Staff: Takafumi Akiho

  • 1/4/2015, Moved to Nanodevice research group: Toshiaki Hayashi.

  • 4/3/2015, "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).

  • 13/2/2015, Tran Minh Tien finished his internship at NTT.

  • 5/2/2015, "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).

  • 5/1/2015, New intership student: Clemens Todt

  • 22/12/2014, "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).

  • 13/10/2014, New intership student: Tran Minh Tien

  • 1/9/2014, New Post-doctal: Francois Couedo

  • 20/8/2014, Henry Pigot finished his internship at NTT.

  • 19/8/2014, New internship student: Yamato Ashikawa

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

  • 22/7/2014, "NMR profiling of quantum electron solids in high magnetic fields"
    L. Tiemann, T. D. Rhone, N. Shibata, K. Muraki, Nature Phys. 10, 648 (2014).

  • 15/7/2014, "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).

  • 3/7/2014, "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).

  • 30/6/2014, "Quantum dots with single-atom precision"
    Stefan Folsch, Jesus Martinez-Blanco, Jianshu Yang, Kiyoshi Kanisawa, and Steven C. Erwin Nature Nanotech. 9, 505 (2014).

  • 9/6/2014, "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).

  • 22/4/2014, "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).

  • 1/4/2014, Shunichi Matsumoto finished his internship at NTT.

  • 14/3/2014, "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).

  • 14/3/2014, "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).

  • 10/2/2014, "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).

  • 10/1/2014, New internship student: Henry Pigot

  • 6/12/2013, " 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).

  • 29/11/2013, Moved to The University of New South Wales: Takashi Kobayashi

  • 21/11/2013, "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).

  • 9/2013, Thomas Ziebarth his internship at NTT

  • 23/8/2013, "nu=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).

  • 20/6/2013, "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).

  • 16/5/2013, "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).

  • 1/4/2013, New internship student: Shunichi Matsumoto

  • 1/4/2013, New member: Hiroshi Irie (moved from spintronics group)

  • 1/4/2013, New member: Hiroyuki Tamura (moved from spintronics group)

  • 16/12013, "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).

  • 11/1/2013, New internship student: Thomas Ziebarth

  • 9/1/2013, "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).

  • 21/12/2012, Romain Dubuoget finished his internship at NTT.

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

  • 23/10/2012, "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).

  • 27/7/2012, Henri Suominen finished his internship at NTT.

  • 4/7/2012, New internship student: Romain Dubuoget

  • 6/6/2012, "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).

  • 27/4/2012, "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).

  • 1/4/2012, Hiroshi Kamata finished his internship at NTT.

  • 1/4/2012, Yuma Okazaki finished his internship at NTT.
    (1/4/2011, Post-doctal at Nanostructure Technology Research Group)

  • 29/2/2012, Moved to Max Planck Institut: Lars Tiemann

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

  • 8/2/2012, New Post-doctal: Trevor David Rhone

  • 7/12/2011, "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).

  • 15/11/2011, "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).

  • 26/10/2011, "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).

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

  • 1/10/2011, Moved to Quantum optical physics research group: Kenichi Hitachi

  • 17/9/2011, "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).

  • 3/9/2011, "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).

  • 1/8/2011, New internship student: Henri Suominen

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

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

  • 12/5/2011, "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).

  • 1/4/2011, New Post-doctal: Takashi Kobayashi
    (31/3/2011, He finished his internship.)

  • 31/3/2011, Kenichiro Kusudo finished his internship at NTT.
    (1/4/2011, Visiting researcher at Quantum Optical Physics Research Group)

  • 31/3/2011, Naoyuki Masumoto finished his internship at Quantum Solid State Physics Research Group.
    (1/4/2011, Inernship student at Quantum Optical Physics Research Group)

  • 15/3/2011 - 31/5/2011, inter-group training: Gento Yamahata

  • 10/3/2011, Moved to Bell Laboratories: Gerardo Gamez

  • 24/1/2011, "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).

  • 20/12/2010, Antoine Gaume finished his internship at NTT.

  • 17/9/2010, "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).

  • 5/7/2010, New internship student: Antoine Gaume

  • 31/3/2010, Tomohiro Nagase finished his internship at NTT.

  • 24/2/2010, "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).

  • 2/2/2010, "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).

  • 21/1/2010, "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).

  • 19/1/2010, "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).

  • 30/12/2009, "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).

  • 1/9/2009, Moved to Copenhagen University: Kasper Grove-Rasmussen

  • 28/8/2009, "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).

  • 28/8/2009, Pauline Renoux finished her internship at NTT.

  • 31/7/2009, Moved to University of Bath: Kei Takashina

  • 31/7/2009, Corentin Durand finished his internship at NTT.

  • 29/7/2009, "Correlated Coherent Oscillations in Coupled Semiconductor Charge Qubits"
    G. Shinkai, T. Hayashi, T. Ota, and T. Fujisawa, Phys. Rev. Lett. 103, 056802 (2009).

  • 28/7/2009, "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).

  • 18/5/2009, Invited professor: Stefan Fölsch from Paul Drude Institut

  • 6/4/2009, New Staff: Keiko Takase

  • 6/4/2009, New Staff: Kenich Hitachi

  • 1/4/2009, New Post-doctal: Lars Tiemann

  • 1/4/2009, "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).

  • 1/4/2009, "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).

  • 1/4/2009, "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).

  • 31/3/2009, Yoshitaka Niida finished his internship at NTT.

  • 31/3/2009, Gou Shinkai finished his internship at NTT.

  • 17/2/2009, New internship student: Pauline Renoux

  • 2/2/2009, New internship student: Corentin Durand

  • 29/1/2009, "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.

  • 26/12/2008, Zhenzhong Wang finished his internship at NTT.

  • 22/12/2008, Aurelien Peilloux finished his internship at NTT.

  • 1/10/2008, "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).

  • 28/9/2008, "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).

  • 4/9/2008, "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).

  • 1/9/2008: New group leader: Koji Muraki