Publications 2008
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K. Grove-Rasmussen, H. I. Jørgensen, T. Hayashi, P. E. Lindelof, and T. Fujisawa
A Triple Quantum Dot in a Single-Wall Carbon Nanotube
Nano Lett. 8, 1055 (2008). [abstract]
N. Kumada, T. Kamada, S. Miyashita, Y. Hirayama, T. Fujisawa
Electric Field Induced Nuclear Spin Resonance Mediated by Oscillating Electron Spin Domains in GaAs-Based Semiconductors
Phys. Rev. Lett. 101, 137602 (2008). [abstract]
P. Giudici, K. Muraki, N. Kumada, Y. Hirayama, and T. Fujisawa
Spin-dependent phase diagram of the nu_T=1 bilayer electron system
Phys. Rev. Lett. 100, 106803 (2008). [abstract]
S. Perraud, K. Kanisawa, Zhao-Zhong Wang, and T. Fujisawa
Direct Measurement of the Binding Energy and Bohr Radius of a Single Hydrogenic Defect in a Semiconductor Quantum Well
Phys. Rev. Lett. 100, 056806 (2008). [abstract]
V. T. Renard, O. A. Tkachenko, V. A. Tkachenko, T. Ota, N. Kumada, J.-C. Portal, and Y. Hirayama
Boundary-Mediated Electron-Electron Interactions in Quantum Point Contacts
Phys. Rev. Lett. 100, 186801 (2008). [abstract]
A. Fukuda, D. Terasawa, M. Morino, K. Iwata, S. Kozumi, N. Kumada, Y. Hirayama, Z. F. Ezawa, and A. Sawada
Pseudospin soliton in the nu=1 bilayer quantum Hall state
Phys. Rev. Lett. 100, 016801 (2008). [abstract]
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
Observation of Bogoliubov excitations in exciton-polariton condensates
Nature Physics 4, 700 (2008). [abstract]
W. R. Clarke, C. E. Yasin, A. R. Hamilton, A. P. Micolich, M. Y. Simmons, K. Muraki, Y. Hirayama, M. Pepper, and D. A. Ritchie
Impact of long- and short-range disorder on the metallic behaviour of two-dimensional systems
Nature Phys. 4, 55 (2008). [abstract]
H. W. Liu, T. Fujisawa, H. Inokawa, Y. Ono, A. Fujiwara, and Y. Hirayama
A gate-defined silicon quantum dot molecule
Appl. Phys. Lett. 92, 222104 (2008). [abstract]
A. Valeille, K. Muraki and Y. Hirayama
Highly reproducible fabrication of back-gated GaAs/AlGaAs heterostructures using AuGeNi ohmic contacts with initial Ni layer
Appl. Phys. Lett. 92, 152106 (2008).
D. Fukuoka, T. Yamazaki, N. Tanaka, K. Oto, K. Muro, Y. Hirayama, N. Kumada, and H. Yamaguchi
Spin Dynamics of Two-Dimensional Electrons in a Quantum Hall System Probed by Time-Resolved Kerr Rotation Spectroscopy
Phys. Rev. B 78, 041304(R) (2008). [abstract]
N. Kumada, K. Iwata, K. Tagashira, Y. Shimoda, K. Muraki, Y. Hirayama, and A. Sawada
Modulation of bilayer quantum Hall states by tilted-field-induced subband-Landau-level coupling
Phys. Rev. B. 77, 155324 (2008). [abstract]
H. W. Liu, T. Fujisawa, Y. Ono, H. Inokawa, A. Fujiwara, K. Takashina, and Y. Hirayama
Pauli-spin-blockade transport through a silicon double quantum dot
Phys. Rev. B 77, 073310 (2008). [abstract]
D. V. Melnikov, T. Fujisawa, D. G. Austing, S. Tarucha, and J.-P. Leburton
Many-body excitations in the tunneling current spectra of a few-electron quantum dot
Phys. Rev. B 77, 165340 (2008). [abstract]
L. Tiemann, J. G. S. Lok, W. Dietsche, K. von Klitzing, K. Muraki, D. Schuh and W. Wegscheider
Exciton condensate at a total filling factor of one in Corbino two-dimensional electron bilayers
Phys. Rev. B 77, 033306 (2008).
Y. Hirayama, G. Yusa, K. Hashimoto, N. Kumada, T. Ota, and K. Muraki
Electron-spin/nuclear-spin interactions and NMR in semiconductors
Semicond. Sci. Technol. 24, 023001 (2009).
T. Fujisawa, G. Shinkai, and T. Hayashi
Spin-conserved Single-electron Transport between Zeeman Sublevels in a Few-electron Quantum Dot
Jpn. J. Appl. Phys. 47, 3107 (2008).
Takeshi Ota, Norio Kumada, Go Yusa, Sen Miyashita, Toshimasa Fujisawa, and Yoshiro Hirayama
Coherence Time of Nuclear Spins in GaAs Quantum Well Probed by Submicron-Scale All-Electrical Nuclear Magnetic Resonance Device
Jpn. J. Appl. Phys. 47, 3115 (2008).
T. Hayashi and T. Fujisawa
Voltage-pulse-induced electromigration
Nanotechnology 19, 145709 (2008).
K. Suzuki, K. Kanisawa, S. Perraud, T. Fujisawa
Spatial imaging of valence band electronic structures in a GaSb/InAs quantum well
Appl. Surf. Sci. 254, 7889 (2008).
N. Kumada, K. Muraki, and Y. Hirayama
NMR Study of a Canted Antiferromagnet in a Bilayer Quantum Hall System
Physica E 40, 937 (2008).
S. Sasaki, H. Tamura, S. Miyashita, T. Maruyama, T. Akazaki, Y. Hirayama and H. Takayanagi
Interplay between electrostatic and tunnel couplings in an independently contacted double quantum dot-quantum wire coupled device
Physica E 40, 1292 (2008).
S. Perraud, K. Kanisawa, Z. Z. Wang and T. Fujisawa
Bound states induced by a single donor in a semiconductor quantum well: A scanning tunneling spectroscopy study
Physica E 40, 1418 (2008).
V. T. Renard, O. A. Tkachenko, V. A. Tkachenko, T. Ota, N. Kumada, J. C. Portal, and Y. Hirayama
Electron-electron interactions in clean quantum point contacts in the large conductance regime
Physica E 40, 1684 (2008).
L. Tiemann, J. G. S. Lok, W. Dietsche, K. von Klitzing, K. Muraki, D. Schuh and W. Wegscheider
Investigating the transport properties of the excitonic state in quasi-Corbino electron bilayers
Physica E 40, 1034 (2008).
K. Iwata, M. Moriono, A. Fukuda, A. Sawada, M. Suzuki, Z. F. Ezawa, N. Kumada, and Y. Hirayama
Effects of In-plane Magnetic Field Direction on the Nuclear Spin Relaxation in the nu=2/3 Quantum Hall State
Physica E 40, 1175 (2008).
A. Fukuda, M. Morino, K. Iwata, D. Terasawa, S. Kozumi, N. Kumada, Y. Hirayama, Z. F. Ezawa, and A. Sawada
Anisotropic Magnetotransport by the Psudospin Soliton in the Bilayer nu=1 Quantum Hall System
Physica E 40, 1255 (2008).
A. Fukuda, K. Iwata, T. Sekikawa, T. Arai, N. Kumada, Y. Hirayama, Z. F. Ezawa, and A. Sawada
Activation Study of the Bilayer nu=1/3 Quantum Hall State
Physica E 40, 1261 (2008).
W. R. Clarke, C. E. Yasin, A. R. Hamilton, A. P. Micolich, M. Y. Simmons, K. Muraki, Y. Hirayama, M. Pepper, and D. A. Ritchie
Metallic behavior in low-disorder two-dimensional hole systems in the presence of long- and short-range disorder
Physica E 40, 1599 (2008).
Na Young Kim, Chih-Wei Lai, Shoko Utsunomiya, Georgios Roumpos, Hui Deng, Tim Byrnes, Patrik Recher, Norio Kumada, Toshimasa Fujisawa, and Yoshihisa Yamamoto
GaAs microcavity exciton-polaritons in a trap
Phys. Stat. Sol. (b) 245, 1076 (2008).
T. Ota, G. Yusa, N. Kumada, S. Miyashita, and Y. Hirayama
Initialization and logic gate operations of nuclear spin qubits using a submicron scale resistively-detected NMR device
Phys. Stat. Sol. (c) 5, 306 (2008).
A. R. Hamilton, R. Danneau, O. Klochan, W. R. Clarke, A. P. Micolich, L. H. Ho, M. Y. Simmons, D. A. Ritchie, M. Pepper, K. Muraki, and Y. Hirayama
The 0.7 anomaly in one-dimensional hole quantum wires
Phys.-condes. Matter 20, 164205 (2008).
A. R. Hamilton, O. Klochan, R. Danneau, W. R. Clarke, L. H. Ho, A. P. Micolich, M. Y. Simmons, M. Pepper, D. A. Ritchie, K. Muraki, and Y. Hirayama
Quantum transport in one-dimensional GaAs hole systems
Int. J. Nanotechnol. 5, 318-330 (2008).
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Qauntum Solid State Physics Research Group
NTT Basic Research Laboratories
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