Program

Division 6

12th F1 Room 12aF1 9:00〜12:45

Division 6
Superconductivity
(thin films, junctions, nonequilibrium systems and dynamics, fluctuations, vortex phase diagram)

1
Vortex-antivortex dynamics in ion-gated MoS2
IMR Tohoku Univ., UC Santa BarbaraA, Dept. Appl. Phys. Univ. TokyoB, RIKEN CEMSC
T. Nojima, Y. SaitoA,B, Y. M. ItahashiB, Y. IwasaB,C
2
Effects of reduced thickness on quantum fluctuations in disordered two-dimensional superconductors
Department of Physics, Tokyo Institute of Technology
K. Ienaga, Y. Tamoto, M. Yoda, S. Kaneko, S. Okuma
3
Directional memory effect in the cross driven vortex system
Department of Physics, Tokyo Institute of Technology
S. Maegochi, K. Miyake, T. Natori, K. Ienaga, S. Kaneko, S. Okuma
4
Vortex-flow Hall effect and vortex phase diagram in FeSe single crystals
Department of Physics, Tokyo Institute of Technology, Department of Physics, Kyoto UniversityA
R. Ueno, K. Ienaga, S. Kaneko, S. KasaharaA, Y. MatsudaA, S. Okuma
5
Anomalous magnetic behavior of Al superconductivity with Al/Ti/MoS2 structure
Japan Women's Univ., Kyusyu Univ.A
Aya Hamamoto, Yuji InagakiA, Tatsuya KawaeA, Ryosuke Ishiguro
6
Current-voltage characteristics of c-axis nanobridges of Fe(Te,Se) superconductor fabricated by using FIB technique
Dept. of Physics and Mathematics, Aoyama Gakuin Univ., Dept. of Applied Phys., The Univ. of TokyoA
T. Mitazawa, N. Tadokoro, T. TamegaiA, Y. Sun, H.Kitano

Break (10:30〜10:45)

Superfluid He/Vortex
(vortices, pinning effect and critical current, materials development)

7
New molecular dinamics method for vortex dynamics
Osaka Pref. Univ.
Masaru Kato, Jun Yamanaka, Kakeru Yoshida
8
Molecular Dynamics Simulation on Vortex Dynamics in Dirty Superconductor Ⅲ
Grad. Sch. of Eng., Osaka Pref. Univ.
Togo Aoki, Masaru KatoA
9
Phenomenological simulation on intermediate states in a type Ⅰ superconducting wire Ⅲ
Osaka Pref. Univ.
Yoshitaka Mizuhara, Masaru Kato
10
Magneto-optical observation of vortex bundles in high purity Nb
NIMS, KEKA
Shuuichi Ooi, Minoru Tachiki, Akihiro Kikuchi, Shunichi Arisawa, Taro KonomiA, Hayato ItoA, Eiji KakoA, Hiroshi SakaiA, Kensei UmemoriA
11
Magnetic relaxation in 2H-NbSe2 with splayed columnar defects
UT, CRIEPIA, JAEAB
Wenjie LI, Sunseng Pyon, Ataru IchinoseA, Satoru OkayasuB, and Tsuyoshi Tamegai
12
Critical Current Density and Vortex Dynamics in Pristine and Irradiated (Ba1-xRbx)FexAs2
Dept. of Appl. Phys. The Univ. of Tokyo
T. Ren, S. Pyon, T. Tamegai
13
Hybrid trapped-field magnet using stacked coated conductors and iron based bulk superconductor
University of Tokyo, Fujikura Ltd.A, IMR Tohoku UniversityB
M. Suyama, S. Pyon, Y. IijimaA, S. AwajiB, T. Tamegai
14
Diamagnetism of frozen solids in ammonia-enriched solution systems of S-block metals
RIAST, Osaka Pref. Univ., Grad. Sch. Eng., Osaka Pref. Univ.A, Grad. Sch. Sci., Osaka Pref. Univ.B, RC-UHMF, Osaka Pref. Univ.C
K. Kawabata, S. TsukuiA, S. NoguchiB,C

13th F1 Room 13aF1 9:30〜12:30

Division 6
Lecture of the Young Scientist Award of the Physical Society of Japan

1
Introduction
Kyoto Univ. Dept. of Phys.
Yutaka Sasaki
2
Coupled Dynamics of the Two-Fluid Model in Superfluid 4He
R&E Center for Nat. Sci., Keio Univ.
Satoshi Yui
3
Theoretical investigation on the edge current and orbital angular momentum in chiral superfluids
U. of Tokyo, ISSP
Yasuhiro Tada

Break (10:40〜11:00)

Superfluid He/Vortex

4
Description of Superfluid 3He in planar aerogels
Department of Physics, Kyoto University
Tomohiro Hisamitsu, Ryusuke Ikeda
5
Core structure of Superfluid Suction Vortex
Department of Physics, Faculty of Science, Osaka City UniversityA, Nambu Institute of Theoretical and Experimental PhysicsB
K. ObaraA,B, K. OhyamaA, N. TajimaA, H. YanoA,B and O. IshikawaA,B
6
Vortex Emission of Counterflow Turbulence in Superfluid Helium
Osaka City University
N.Koizumi, Y.Miyakoda, K.Obara, H.Yano, O.Ishikawa
7
Formation of self-similar structure of the vortex tangle in superfluid Helium 4
OCU, OCARINAA, NITEPB
Tomo Nakagawa, Sosuke Inui, Makoto TsubotaA,B
8
Thermal counterflow of superfluid 4He: Effects of normal-fluid turbulence on quantum turbulence
REC for NS, Keio Univ.A, Dept. of Phys., Hiyoshi Campus, Keio Univ.B, Dept. of Phys., Osaka City Univ.C, GSIC, Tokyo Tech.D
Satoshi YuiA, Hiromichi KobayashiA,B, Makoto TsubotaC, Rio YokotaD
9
Quantum-Classical crossover of Kelvin-Helmholtz Instability at the Superfluid Interface
Kindai University, Osaka City UniversityA
Haruya Kokubo, Kenichi Kasamatsu, Hiromitsu TakeuchiA

13th F2 Room 13aF2 9:00〜12:45

Division 6,Division 12
liquid, metal, and amorphous

1
Structure, transport properties, and dielectric properties of ionic liquids and aqueous solutions
National Institute of Technology, Nagaoka College
Matsunaga, Shigeki
2
Molecular-Dynamics Simulations of Liquid Sulfur by ANN Potentials
Hiroshima Univ. Graduate School of Advanced Science and Engineering
Yusuke Suzumura, Shuji Munejiri
3
Calculation of Thermodynamic Quantity of Alkali Metal Using Interatomic Potentials Based on Artificial Neural Network
Dept. of Phys., Kumamoto Univ., Univ. of Southern CaliforniaA
S. Fukushima, K. Shimamura, A. Koura, F. Shimojo, A. NakanoA, R. K. KaliaA, P. VashishtaA
4
Concentration Dependence of Melting Point of Alkali Mixtures using Thermodynamic Integration based on First-principles Molecular Dynamics II
Dept. of Phys., Kumamoto Univ.
Ayu Irie, Shogo Fukushima, Yusuke Takeshita, Akihide Koura, Kohei Shimamura and Fuyuki Shimojo
5
Pressure dependence of melting temperature of carbon by thermodynamic integration based on first-principles molecular dynamics
Dept. of Phys., Kumamoto Univ.
S. Inaba, S. Fukushima, K. Shimamura, A. Koura, F. Shimojo
6
On the Molar Heat Capacity at Constant Pressure Formula of Polyatomic Solids and its Liquids (9) - Molar Heat Capacity of Constant Pressure Liquids and Gases at Melting and Boiling Point in the Alkaline Earth Metals of Ba, Sr and Contribution to its Electronic Heat Capacity -
Institute of Original Culture, Former Tokyo University of Science
Yasunori Igarashi

Break (10:45〜11:00)

7
The relationship of rejuvenation effect and structural change in Gd65TM35(TM = Co, Ni, Cu) metallic glasses by thermal cycles
Kumamoto Univ., Hiroshima Univ.A, Tohoku Univ.B, JASRIC
S. Hosokawa, M. Kuroki, J. R. StellhornA, H. KatoB, K. OharaC
8
Inelastic x-ray scattering experiments of glassy GexSe1-x(x=0.15、0.25、0.33)
Hiroshima Univ., Kumamoto Univ.A, JASRIB, RIKEN/SPring-8C
M. Inui, K. MatsudaA, S. HosokawaA, Y. NakajimaA, S. TsutsuiB, D. IshikawaB, A.Q.R. BaronC
9
Densest multiary sphere packings and phase diagram
Institute for Solid State Physics, The University of Tokyo
Ryotaro Koshoji, Mitsuaki Kawamura, Masahiro Fukuda, Taisuke Ozaki
10
Structural Recovery Mechanisms of Ag2S1-xSex Under Shear Stress Based on First-principles Molecular Dynamics Method
Dept. of Phys., Kumamoto Univ., Grad. Sch. of Nat. Sci. and Tech., Okayama Univ.A
法橋陽,福島省吾,三澤賢明A,高良明英,島村孝平B,下條冬樹B
11
Pressure Induced Structural Transition of Silver Chalcogenides Based on Artificial Neural Network Interatomic Potential
Dept. of Phys., Kumamoto Univ., Grad. Sch. of Nat. Sci. and Tech., Okayama Univ.A
A. Koura, S. Fukushima, M. MisawaA, K. Shimamura, and F. Shimojo
12
Structural analysis of high-pressure amorphous GeO2 using neural network potentials
Yamagata University
Kenta MATSUTANI, Shusuke KASAMATSUA, T. USUKIA
13
Molecular Dynamics Simulation of Shock-Compressed Silica Using Artificial Neural Network-Based Interatomic Potential
Grad. Sch. of Nat. Sci. and Tech., Okayama Univ., Dept. of Phys., Kumamoto Univ.A, Univ. of Southern CaliforniaB
M. Misawa, S. FukushimaA, A. KouraA, K. ShimamuraA, F. ShimojoA, K. NomuraB, R. K. KaliaB, A. NakanoB, and P. VashishtaB

13th F1 Room 13pF1 14:00〜15:45

Division 6
Restricted Geometry/Low Dimensional System/Low Temperature Technique

1
Superfluid measurements of He confined in an oriented porous membrane II
Univ. of Electro-Communications, TMDUA
A. Kaneko, J. Taniguchi, M. Suzuki, M. HiedaA
2
The sliding friction of the 3He-4He film absorbed on the graphite VI
Department of Engineering Science, The University of Electro-Communications
K. Ishibashi, J. Hiraide, J. Taniguchi, and M. Suzuki
3
Investigation of fluidity inside domain walls of monolayer helium-4 films on graphite with dynamic response measurements
University of Tsukuba
Seigo Karasawa, Masashi Morishita
4
Commensurate solid phases of second adsorbed layer of 4He film on graphite
University of Tsukuba
Masashi Morishita
5
Coexistence between Superfluidity and Spatial Order in Monolayers of Helium-4
CRC, UTokyo
Jun Usami, Ryo Toda, Satoshi Murakawa, Hiroshi Fukuyama
6
Design and construction of a cryostat for synchrotron surface X-ray diffraction on adsorbed atomic layers of helium.
Dept. Sci., Univ. of Hyogo, Grad. Sch. Mater. Sci., Univ. of HyogoA, JASRIB, Inst. Phys., UTokyoC, Dept. Eng. Sci.,UECD, CRC,UTokyoE
Atsuki Kumashita, Akira YamaguchiA, Hiroo TajiriB, Yu YamaneA, Akihiko SumiyamaA, Tomoki MinoguchiC, Masaru SuzukiD, Hiroshi FukuyamaE, Yoshiharu SakuraiB
7
Performance of heat exchanger made from nano-porous material
Nagoya Univ., TMDUA
N. Wada, M. HiedaA, and T. Matsushita

13th F2 Room 13pF2 13:30〜16:55

Division 6,Division 10
"Super-ordered structures" in various materials: novel development of structural physics

1
Introduction
Nagoya Inst. Tech.
Kouichi Hayashi
2
The complex defect engineering for the development of high-permittivity dielectrics
Nagoya Univ.
Hiroki Taniguchi
3
Structural and physical properties of functional oxide glasses prepared by a levitation technique
Hirosaki Univ.
Atsunobu Masuno
4
Dopant local structures revealed by high-resolution photoelectron holography
Okayama Univ.
Takayoshi Yokoya

Break (15:10〜15:25)

5
Structure analysis of amorphous materials using angstrom-beam electron diffraction
Waseda Univ.
Akihiko Hirata
6
Large-scale DFT calculations for complicated non-crystalline materials
NIMS
Ayako Nakata
7
Structural order analysis of glass based on chemical bond topology
Gifu Univ.
Motoki Shiga

14th F1 Room 14aF1 9:00〜12:00

Division 6
Density wave
(low dimensional systems, coexistence of competing orders, macroscopic quantum phenomena)

1
Non BCS-like superfluid density in a disordered charge density wave material: Pd-intercalated ErTe3
Stanford Univ.
Yusuke Iguchi, Joshua A. W. Straquadine, John R. Kirtley, Anisha Singh, Ian Randel Fisher, Kathryn Ann Moler
2
Field-induced melting of charge density wave in a frustrated semimetal GdGaI
Univ. Oxford, ISSPA, OISTB
Ryutaro Okuma, Hajime IshikawaA, Zhuo YangA, Koichi KindoA, Yoshimitsu KohamaA, Yoshinori OkadaB
3
Observation of Mott state on the surface of 1T-TaSe2
Dept. of Phys. Tokyo Univ. of Science
S. Ohta, S. Kobayashi, A. Nomura, and H. Sakata
4
Transport phenomena of nanoscale NbS3
Eng., Hokkaido Univ., Science, Hokkaido Univ.A, NIMSB
Y. Fukuda, H. NobukaneA, K. OnoderaA, M. Sakota, K. NakatsugawaB, A. S. Ebana, K. Yokoi, Y. Teranishi, S. Tanda
5
Electric transport phenomena in a nanoscale TaSe3
Department of Physics, Hokkaido UniversityA, Department of Physics, Tokyo University of ScienceB, Department of Applied Physics, Hokkaido University
K Onodera, H Nobukane, A NomuraA, Y FukudaB, K YamayaB, S TakayanagiB, S TandaB
6
Universality of Multivalley CDW Free Energy Landscape in MX2 Systems
Applied Phys., Hokkaido Univ.A, Center of Topological Sci. and Technol., Hokkaido Univ.B, NIMSC, ISSPD, NIT, Toyama CollegeE
Keiji NakatsugawaA,B,C, Tatsuhiko N. IkedaD, Takeshi ToshimaE, Satoshi TandaA,B

Break (10:30〜10:45)

Superconductivity

7
Growth of topological superconductor SrxBi2Se3 single crystals and annealing effect on the superconducting transition
Dept. of Appl. Phys., Univ. of Tokyo
Takumi Matsumae, Sunseng Pyon, Soichiro Matsuzawa, Tsuyoshi Tamegai
8
Possible pairing symmetry in BaPtSb with a lack of inversion center
Hirosaki Univ., Memanbetsu High SchoolA
Masafumi Kudo, Shohei Ohba, Jun Goryo
9
Microscopic calculations of half-quantum vortices in 3P2superfluids
Tohoku Univ.A, Osaka Univ.B, Keio Univ.C
Yusuke MasakiA, Takeshi MizushimaB, Muneto NittaC
10
Odd-parity pairing correlations in a d-wave superconductor
Hokkaido Univ.A, MPI for Solid State Research StuttgartB
Jaechul LeeA, Satoshi IkegayaB, Yasuhiro AsanoA
11
The Josephson effect of superconductors with higher-spin Cooper pairs
Department of Applied Physics, Hokkaido University, RIKEN Center for Emergent Matter ScienceA
Dakyeong Kim, Shingo KobayashiA, Yasuhiro Asano

14th F1 Room 14pF1 14:00〜17:20

Division 6,Division 1,Division 4,Division 8
Current status of physics in odd frequency Cooper pairings

1
Introduction
Osaka Univ.
Takeshi Mizushima
2
Theory of odd-frequency pairing at the interface of topological superconductor
Nagoya Univ., Dept. Appl. Phys. (Theory)
Shun Tamura
3
Theory of anomalous proximity effect by odd-frequency pairing
Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1
Satoshi Ikegaya
4
Proximity effect of magnetically doped topological insulator via conductance measurement
Nagoya Univ., Dept. Appl. Phys. (Experiment)
Rikizo Yano
5
Theory of paramagnetic Meissner effect due to odd-frequency paring
Tokyo Tech, Dept. Phys.
Takehito Yokoyama

Break (15:30〜15:45)

6
Experimental detection of anomalous Meissner effect by proximity induced odd-frequency pairing
Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute
Zaher Salman
7
STS investigation of odd-frequency pairing induced by a magnetic impurity
Institut des NanoSciences de Paris, Sorbonne Universite
Tristan Cren
8
Physical properties of odd-frequency pair potentials
Landau Institute for Theoretical Physics
Yakov V. Fominov
9
Theory of surface induced odd-frequency gap functions
Nagoya Univ., Dept. Phys.
Kontani Hiroshi

14th F2 Room 14pF2 13:30〜16:15

Division 6
Quasicrystals and approximants

1
Phase formation and electronic structure of icosahedral quasicrystals and related compounds in Al-Pd-TM(TM: transition metal) systems
IMRAM, Tohoku Univ.
Nobuhisa Fujita, Keishi Abe, Takeru Fukushima
2
Exploration of new Hyper Materials by using machine learning
Tokyo Univ. of Science, Hokkaido Univ.A, Univ. of TokyoB, The Institute of Statistical MathematicsC
Hirotaka Uryu, Tsunetomo Yamada, Hiroyuki TakakuraA, Yuki InadaB, Kaoru KimuraB, Ryuji TamuraB, Chang LiuC, Ryo YoshidaC
3
Effect of Mn doping on thermoelectric properties of Al-Si-Ru semiconducting quasicrystalline approximant
GSFS UTokyo
Kohsuke Igarashi, Yutaka Iwasaki, Koichi Kitahara, Kaoru Kimura
4
High-temperature specific heat of icosahedral quasicrystals and crystal approximants
IIS. Univ. of Tokyo, NIMSA
Kento Fukushima, Yuki Suyama, Yuki Tokumoto, Yoshiki TakagiwaA, Keiichi Edagawa
5
MD calculation for phason elasticity of quasicrystals
IIS, Univ. of Tokyo
R.Manabe, Y.Tokumoto, K.Edagawa

Break (14:45〜15:00)

6
Tübingen triangle tilings formed by hard-core/square-shoulder particles
Kindai Univ.
TAKASE Mikoto, DOTERA Tomonari
7
First-principles calculations of atomic structures of trace Pt-doped Al13Fe4
Grad. Sch. of Sci. and Eng., Kagoshima Univ., Sci. and Eng., Chuo Univ.A, NIMSB
Toshifumi Minato, Takanobu HirotoB, Yoshitaka MatsushitaB, Yasushi IshiiA and Kazuki Nozawa
8
Optical Responses in Tight-binding Model on the Fibonacci Lattice
Physics, Tokyo Tech.
Hiroki Iijima, Yuta Murakami, Akihisa Koga
9
Photoinduced Dynamics in the Quasicrystalline Excitonic Insulator II
Department of Physics, Tokyo Institute of Technology
Ken Inayoshi, Yuta Murakami, Akihisa Koga
10
Perpendicular-space analysis of one-magnon-mediated Raman scattering in quasiperiodic antiferromagnets
Dept. of Phys. Hokkaido Univ.
Takashi Inoue and Shoji Yamamoto

15th F2 Room 15aF2 10:00〜12:15

Division 6
Quasicrystals and approximants

1
The Composition Dependence of Magnetism on Tsai-type Approximants
Fac. Ind. Sci. and Tech. Tokyo Univ. of Sci., Res. Inst. for Sci. and Tech. Tokyo Univ. of Sci.A
S. Suzuki, A. IshikawaA, K. Komuro, Y. Shimozaki, T. Tsugawa, R. Takeuchi, R. Tamura
2
Synthesis and magnetic properties of the Au-SM-Eu approximants
Dept. of Mater. Sci & Tech, Tokyo Univ. of Sci., Res. Inst. for Sci. & Tech. Tokyo Univ. of Sci.A
Y.Shimozaki, S.Yoshida, Y.Mazuka, A.IshikawaA, S.Suzuki, R.Tamura
3
Synthesis and magnetic properties of Ag based 1/1 approximants
Dept. of Mater. Sci & Tech, Tokyo Univ. of Sci., Res. Inst. for Sci. & Tech. Tokyo Univ. of Sci.A
R.Takeuchi, A.IshikawaA, S.suzuki, and R.Tamura
4
Synthesis and magnetic properties of Au-Cu-Al-In-Tb approximant
Dept. of Mater. Sci & Tech, Tokyo Univ. of Sci., Res. Inst. for Sci. and Tech. Tokyo Univ. of Sci.A, Toyota Technological InstituteB, National Institute for Materials ScienceC, Institute of Multidisciplinary Research for Advanced Materials Tohoku Univ.D
T. Tsugawa, S. Suzuki, K. A. IshikawaA, T. TakeuchiB, T. HirotoC, N. FujitaD and R. Tamura

Break (11:00〜11:15)

5
Synthesis of Au-Si-Yb 1/1 approximant
Dept. of Mater. Sci & Tech, Tokyo Univ. of Sci., Res. Inst. for Sci. & Tech. Tokyo Univ. of Sci.A, Dept. of Phys., Grad. School of Sci., Nagoya Univ.B, Div. Appl. Phys., Hokkaido Univ.C
K.Murai, A.IshikawaA, S.Suzuki, K.DeguchiB, R.Tamura, H.TakakuraC
6
Precise magnetic measurement of Au70Al16Tb14 1/1 quasicrystal approximant
IMRAM Tohoku Univ., Dept. Mater. Sci. Tokyo Univ. Sci.A, Research Institute of Science & Tech. Tokyo Univ. SciB
Akihito Ebina, Kazuhiro Nawa, Daisuke Okuyama, Asuka IshikawaB, Ryuji TamuraA, Taku Sato
7
Hard X-ray core-level and valence-band photoemission study of the Au-Ga-Ce 1/1 quasicrystal approximants
Grad. Sch. Eng. Sci., Osaka Univ.A, RIKEN SPring-8 CenterB, Fac. Sci. Eng., Setsunan Univ.C, Fac. Sci. Eng., Konan Univ.D, Fac. Sci. Eng., Ritsumeikan Univ.E, Fac. Industrial Sci. Tech., Tokyo Univ. of Sci.F
G. NozueA,B, Y. ArinagaA,B, H. FujiwaraA,B, T. KissA,B, K. TamasakuB, M. YabashiB, T. IshikawaB, A. HigashiyaB,C, A. YamasakiB,D, S. ImadaB.E, A. MotouriF, S. SuzukiF, R. TamuraF, A. SekiyamaA,B
8
Superconductivity of the 2/1-1/1-1/1 periodic approximant in the Al-Zn-Mg system
Dept. of Phys., Tohoku Univ., Dept. of Phys., Grad. Sch. of Sci., Nagoya Univ.A, Div. Appl. Phys., Hokkaido Univ.B
Noriyuki Kabeya, Yuma HiranoA, Noriaki K. SatoA, Hiroyuki TakakuraB

15th F2 Room 15pF2 13:30〜17:20

Division 6,Division 4,Division 7,Division 8,Division 9
Hypermaterials

1
Introduction
Dept. Mater. Sci. & Tech., Tokyo Univ. Sci.
Ryuji Tamura
2
Structure of Hypermaterials
Dept. Appl. Phys., Hokkaido Univ.
Hiroyuki Takakura
3
Magnetism of Hypermaterials
Dept. Mater. Sci. & Tech., Tokyo Univ. Sci.
Ryuji Tamura
4
Magnetic Orders and Effective Models of Hypermaterials
Dept. Appl. Phys., Tokyo Univ. Sci.
Takanori Sugimoto
5
Search for Semiconducting Hypermaterials
GSFS, Univ. Tokyo
Yutaka Iwasaki

Break (15:15〜15:30)

6
Superconductivity of Hypermaterials
Dept. Phys., Nagoya Univ.
Kazuhiko Deguchi
7
Correlation Effects in Superconductive Hypermaterials
Reser. Inst. Interdiscip. Sci., Okayama Univ.
Nayuta Takemori
8
Molecular Dynamics Simulations of Hypermaterials
Inst. Indust. Sci., Univ. Tokyo
Keiichi Edagawa
9
Growth of Metal-Oxide Based Hypermaterial Thin Films
Dept. Energy Sci. Eng., Nagoya Univ.
Junji Yuhara
10
Symmetry and physical properties of van der Waals Hypermaterials
Quantum-Phase Electronics Center, Univ. Tokyo
Toshiya Ideue
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