List of Research Output | FY 2014

Papers, peer-reviewed conference proceedings etc.

【CCSE】

<Peer-reviewed conference proceedings>

Nakajima Norihiro, Nishida Akemi, Kawakami Yoshiaki, Okada Tatsuo, Tsuruta Osamu, Sawa Kazuhiro, Iigaki Kazuhiko

“Structural analysis for assembly by integrating parts”

Proceedings of 22nd International Conference on Nuclear Engineering (ICONE-22) (DVD-ROM) pp.9 (2014)

Ishida Takekazu, Nishikawa Masatoshi, Fujita Yoshifumi, Okayasu Satoru, Katagiri Masaki, Sato Kazuo, Yotsuya Tsutomu, Shimakage Hisashi, Miki Shigehito, Wang Z., Machida Masahiko, Kano Takuma, Kato Masaru

“Superconducting MgB2 thin film detector for neutrons”

Journal of Low Temperature Physics, Vol.151, No.3-4, pp.1074-1079 (2008)


【Computer Science Research and Development Office】

<Research papers>

Ishizawa Akihiro, Watanabe Tomohiko, Sugama Hideo, Maeyama Shinya, Nakajima Noriyoshi

“Electromagnetic gyrokinetic turbulence in finite-beta helical plasmas”

Physics of Plasmas, Vol.21, pp.055905 (2014)

Miki Kazuhiro, Diamond Patrick H., Hahn San-hee, Xiao Wei-wen, Gurcan Ozgur, Tynan George

“Dynamics of stimulated L→H transitions”

Physics of Plasmas, Vol.20, pp.082304 (2013)

Miki Kazuhiro, Diamond Patrick H., Schmitz Lother, McDonald Darren C., Estrada Teresa, Gurcan Ozgur, Tynan George

“Spatio-temporal evolution of the H→L back transition”

Physics of Plasmas, Vol.20, pp.062304 (2013)

Miki Kazuhiro, Diamond Patrick H., Fedorczak Nicolas, Gurcan Ozgur, Malkov Mikhail, Lee Christopher, Kosuga Yusuke, Tynan George, Xu Guosheng, Estrada Teresa, McDonald Darren C., Schmitz Lothar, Zhao Kaijun

“Spatio-temporal evolution of the L→H and H→L transitions”

Nuclear Fusion, Vol.53, pp.073044 (2013)

Idomura Yasuhiro, Nakata Motoki, Yamada Susumu, Machida Masahiko, Imamura Toshiyuki, Watanabe Tomohiko, Nunami Masanori, Inoue Hikaru, Tsutsumi Shigenobu, Miyoshi Ikuo, Shida Naoyuki

“Communication overlap techniques for improved strong scaling of gyrokinetic Eulerian code beyond 100k cores on the K-computer”

International Journal of High Performance Computing Applications, Vol.28, No. 1, pp.73–86 (2014)


<Peer-reviewed conference proceedings>

Fujita Norihisa, Nuga Hideo, Boku Taisuke, Idomura Yasuhiro

“Nuclear Fusion Simulation Code Optimization and Performance Evaluation on GPU Cluster”

Proceedings of PDSEC14, pp.1266-1274 (2014)

Seki Akiyuki, Takemiya Hiroshi, Takahashi Fumiaki, Saito Kimiaki, Tanaka Kei, Takahashi Yutaka, Takemura Kazuhiro, Tsuzawa Masaharu

“Development of radionuclide distribution database and map system on Fukushima nuclear accident”

Progress in Nuclear Science and Technology, Vol.4, pp.47-50 (2014)

Watanabe Tomohiko, Idomura Yasuhiro, Maeyama Shinya, Nakata Motoki, Sugama Hideo, Nunami Masanori, Ishizawa Akihiro

“Exploring phase space turbulence in magnetic fusion plasmas”

CCP2013 Proceedings in Journal of Physics: Conference Series, Vol.51, pp.0012045_1-11 (2014)

Idomura Yasuhiro, Nakata Motoki, Jolliet S.

“Progress of full-f gyrokinetic simulation toward reactor relevant numerical experiments”

Plasma and Fusion Research, Vol.9, 3503028_1-3503028_7 (2014)

Nishida Akemi, Igarashi Sayaka, Sakamoto Shigehiro, Uchiyama Yasuo, Yamamoto Yu, Muramatsu Ken, Takada Tsuyoshi

“Characteristics of simulated ground motions consistent with seismic hazard”

Transactions of 22nd International Conference on Structural Mechanics in Reactor Technology (SMiRT-22) (CD-ROM), pp.10 (2014)


【Simulation Technology Research and Development Office】

<Research papers>

Vela S., Mota F., Deumal M., Suizu Rie, Shuku Yoshiaki, Mizuno Asato, Awaga Kunio, Shiga Motoyuki, Novoa J., Ribas-Arino J.

“The key role of vibrational entropy in the phase transitions of dithiazolyl-based bistable magnetic materials”

Nature Communications, Vol.5, pp.4411_1-4411_9 (2014)

Dopieralski, P., Anjukandi, P., Rücker, M., Shiga Motoyuki, Ribas-Arino, J., Marx, D.

“On the role of polymer chains in transducing external mechanical forces to benzocyclobutene mechanophores”

Journal of Materials Chemistry, Vol.21, pp.8309-8316 (2011)

Fujita Takatoshi, Tanaka Shigenori, Fujiwara Takayuki, Kusa Masaaki, Mochizuki Yuji, Shiga Motoyuki

Ab initio path integral Monte Carlo simulation of water trimer with electron correlation effects”

Computational and Theoretical Chemistry, Vol.997, pp.7-13 (2012)

Vela, S., Deumal, M., Shiga Motoyuki, Novoa, J., Ribas-Arino, J.

“Dynamical effects on the magnetic properties of dithiazolyl bistable materials”

Chemical Science, Vol.6, pp.2371-2381 (2015)

Yamaguchi Masatake, Kameda Jun

“Multiscale thermodynamic analysis on fracture toughness loss induced by solute segregation in steel”

Philosophical Magazine, Vol.94, No.19, pp.2131-2149 (2014)

Okumura Masahiko, Nakamura Hiroki, Machida Masahiko

“Energetics of atomic level serial ion exchange for cesium in micaceous clay minerals”

Clay Science, Vol.18, No. 3, pp.53-61 (2014)

Yamada Susumu, Kitamura Akihiro, Kurikami Hiroshi, Yamaguchi Masaaki, Malins A., Machida Masahiko

“Sediment and 137Cs transport and accumulation in the Ogaki Dam of eastern Fukushima”

Environmental Research Letters, Vol.10, pp.014013_1-014013_9 (2015)

Suzudo Tomoaki, Yamaguchi Masatake, Hasegawa Akira

“Stability and mobility of rhenium and osmium in tungsten; First principles study”

Modelling and Simulation in Materials Science and Engineering, Vol.22, pp.075006_1-075006-13 (2014)

Nagai Yuki

“Robust superconductivity with nodes in the superconducting topological insulator CuxBi2Se3; Zeeman orbital field and non-magnetic impurities”

Physical Review B, Vol.91, pp.060502_1-060502_5 (2015)

Nagai Yuki, Nakamura Hiroki, Machida Masahiko

“Surface states around a vortex in topological superconductors; Intersection of a surface and a vortex”

Journal of the Physical Society of Japan, Vol.84, pp.033703_1-033703_4 (2015)

Yoshizawa Shunsuke, Kim H., Kawakami Takuto, Nagai Yuki, Nakayama Tomonobu, Hu X., Hasegawa Yukio, Uchihashi Takashi

“Imaging Josephson vortices on the surface superconductor Si(111)-(√7×√3)-In using a scanning tunneling microscope”

Physical Review Letters, Vol.113, pp.247004_1-247004_5 (2014)

Sasa Narimasa

“Momentum Conservation Law in Symplectic Integrators for Partial Differential Equations”

Journal of the Physical Society of Japan, Vol.83, No. 12, pp.123003_1-123003_4 (2014)

Nakamura Hiroki, Okumura Masahiko, Machida Masahiko

“Monte Carlo simulation studies of cation selectivity in ion exchange of zeolites”

RSC Advances (Internet), Vol.4, pp.52757–52761 (2014)

Nagai Yuki, Ota Yukihiro, Machida Masahiko

“Impurity effects in a two-dimensional topological superconductor: A link of Tc-robustness with a topological number”

Journal of the Physical Society of Japan, Vol.83, pp.094722_1-094722_5 (2014)

Nagai Yuki, Ota Yukihiro, Machida Masahiko

“Nonmagnetic impurity effects in a three-dimensional topological superconductor: From p- to s-wave behaviors”

Physical Review B, Vol.89, pp.214506_1-214506_6 (2014)

Asai Hidehiro, Ota Yukihiro, Kawabata Shiro, Machida Masahiko, Nori F.

“Theory of macroscopic quantum tunneling with Josephson-Leggett collective excitations in multiband superconducting Josephson junctions”

Physical Review B, Vol.89, pp.224507_1-224507_7 (2014)

Nagai Yuki

“Field-angle-dependent Low-energy Excitations around a Vortex in the Superconducting Topological Insulator CuxBi2Se3

Journal of the Physical Society of Japan, Vol.83, pp.063705_1-054004_4 (2014)

Nagai Yuki, Nakamura Hiroki, Machida Masahiko

“Spin-polarized Majorana Bound States inside a Vortex Core in Topological Superconductors”

Journal of the Physical Society of Japan, Vol.83, pp.064703_1-064703_7 (2014)

Sasa Narimasa

“Momentum Conservation Law in Explicit Symplectic Integrators for Nonlinear Wave Equations”

Journal of the Physical Society of Japan, Vol.83, pp.054004_1-054004_4 (2014)

Kobayashi Keita, Ota Yukihiro, Okumura Masahiko, Yamada Susumu, Machida Masahiko

“Quantum phases in degenerate-p-orbital attractive one-dimensional fermionic optical lattices”

Physical Review A, Vol.89, pp.023625_1-023625_5 (2014)

Nagai Yuki, Nakamura Hiroki, Machida Masahiko

“Quasiclassical Treatment and Odd-Parity/Triplet Correspondence in Topological Superconductors”

Journal of the Physical Society of Japan, Vol.83, pp.053705_1-053705_4 (2014)


<Peer-reviewed conference proceedings>

Kobayashi Keita, Okumura Masahiko, Ota Yukihiro, Yamada Susumu, Machida Masahiko

“Ferromagnetism in multi-orbital Fermi gas loaded on a one-dimensional optical lattice”

JPS Conference Proceedings, Vol.3, No. 016006, pp.016006_1-016006_6 (2014)

Higashi Yoichi, Nagai Yuki, Yoshida Tomohiro, Yanase Yoichi

“Vortex core structure in multilayered Rashba superconductors”

Journal of Physics; Conference Series, Vol.568, pp.022018_1-022018_5 (2014)

Kawakami Takuto, Nagai Yuki, Yoshizawa Shunsuke, Kim H., Hasegawa Yukio, Nakayama Tomonobu, Uchihashi Takashi, Hu X.

“Excitation spectrum of Josephson vortices on surface superconductor”

Journal of Physics; Conference Series, Vol.568, pp.022022_1-022022_5 (2014)

Nagai Yuki, Ota Yukihiro, Machida Masahiko

“Robustness against non-magnetic impurities in topological superconductors”

Journal of Physics: Conference Series, Vol.568, pp.022030_1-022030_5 (2014)

Nakamura Hiroki, Machida Masahiko

“Hybrid Density Functional Study on Plutonium Dioxide”

JPS Conference Proceedings, Vol.3, pp.017034_1-017034_4 (2014)

Nagai Yuki, Nakamura Hiroki, Machida Masahiko

“Inhomogeneity Effects in Topological Superconductors”

JPS Conference Proceedings, Vol.3, pp.015013_1-015013_6 (2014)

Yamada Susumu, Imamura Toshiyuki, Machida Masahiko

“Parallel Computing Design for Exact Diagonalization Scheme on Multi-band Hubbard Cluster Models”

Parallel Computing: Accelerating Computational Science and Engineering (CSE), Vol. 25, pp.427-436 (2014)

Ebihara Kenichi, Kaburaki Hideo, Takai Kenichi

“Numerical evaluation of the Choo and Lee's method for calculating hydrogen detrapping activation energies”

Proceedings of 2012 International Hydrogen Conference; Hydrogen-Materials Interactions pp. 553-561 (2014)

Talks at international and Japanese conferences

【CCSE】

<Talks>

Machida Masahiko, Ota Yukihiro

“Theory of phase-slip-center effects on superconducting kinetic inductance”

APS March Meeting 2015 (San Antonio, USA, March 2-6, 2015)

Machida Masahiko, Nakamura Hiroki, Srinivasan S. G., Van Duin A. C. T.

“Molecular dynamics studies for oxidation reaction of Zr metals in high-temperature and high-pressure steam condition”

Nuclear Materials Conference 2014 (NuMat 2014) (Clearwater, U. S. A., October 27-30, 2014)

Machida Masahiko, Yamada Susumu, Itakura Mitsuhiro, Okumura Masahiko, Kitamura Akihiro

“Numerical Demonstration of Massive Sediment Transport and Cs Recontamination by River Flooding in Fukushima Costal Area”

European Geosciences Union General Assembly 2014 (Vienna, Austria, April 27-May 02, 2014)

Kaburaki Hideo, Itakura Mitsuhiro, Yamaguchi Masatake

“A Molecular dynamics study on the structure and formation mechanisms of non-basal dislocations in magnesium”

2nd International Symposium on Long-Period Stacking Ordered Structure and its Related Materials (LPSO 2014) (Kumamoto, Japan, October 5-8, 2014)

Kaburaki Hideo, Itakura Mitsuhiro, Yamaguchi Masatake, Tsuru Tomohito

“A Molecular dynamics study on the structure and formation mechanisms of a dislocation in magnesium”

Materials Research Society 2014 Fall Meeting (Boston, USA, November 30-December 5, 2014)


【Computer Science Research and Development Office】

<Non peer-reviewed articles>

Nishida Akemi, Takada Tsuyoshi, Itoi Tatsuya, Furuya Osamu, Muramatsu Ken

“Study on next generation seismic PRA methodology, 2; Quantifying effects of epistemic uncertainty on fragility assessment”

Proceedings of 12th Probabilistic Safety Assessment and Management conference (PSAM-12) (USB Flash Drive), pp.12 (2014)


<Talks>

Miki Kazuhiro, Idomura Yasuhiro

“Gyrokinetic simulation on the energetic-particle-induced geodesic acoustic mode”

第4回IFERC-CSC研究会 (東京, 日本, 2015年2年19日~20日)

Idomura Yasuhiro

“Isotope effects in ion temperature gradient driven turbulence”

Plasma Conference 2014 (PLASMA 2014) (Niigata, Japan, November 18-21, 2014)

Kawai Chika, Maeyama Shinya, Idomura Yasuhiro, Ogawa Yuichi

“Gyrokinetic simulation of electron turbulence spectrum”

Plasma Conference 2014 (PLASMA 2014) (Niigata, Japan, November 18-21, 2014)

Maeyama Shinya

“Multi-scale simulations of electron- and ion-scale turbulence in magnetic fusion plasma”

Plasma Conference 2014 (PLASMA 2014) (Niigata, Japan, November 18-21, 2014)

Maeyama Shinya, Watanabe Tomohiko, Idomura Yasuhiro, Nakata Motoki, Yagi Masatoshi, Miyato Naoaki, Nunami Masanori, Ishizawa Akihiro

“Multi-scale interactions between electron- and ion-scale turbulence and their effects on turbulent transport”

Plasma Conference 2014 (PLASMA 2014) (Niigata, Japan, November 18-21, 2014)

Miki Kazuhiro, Idomura Yasuhiro

“Gyrokinetic simulation study on the energetic-particle-induced geodesic acoustic mode”

24th International Toki Conference (Toki, Japan, November 4-7, 2014)

Matsuoka Seikichi, Idomura Yasuhiro, Satake Shinsuke

“Full-f gyrokinetic simulations for neoclassical toroidal viscosity in a perturbed tokamak configuration”

56th Annual Meeting of the APS Division of Plasma Physics (New Orleans, USA, October 27-31, 2014)

Miki Kazuhiro, Idomura Yasuhiro

“Gyrokinetic simulation studies on the energetic-particle-induced geodesic acoustic mode”

56th Annual Meeting of the APS Division of Plasma Physics (New Orleans, USA, October 27-31, 2014)

Idomura Yasuhiro

“Interactions between neoclassical effects and turbulence in toroidal momentum transport, and comparison between flux driven and gradient driven simulations”

The 19th Joint EU-US Transport Task Force Meeting (Culham, UK, September 8-11, 2014)

Maeyama Shinya

“Multi-scale plasma turbulence simulations based on electromagnetic gyrokinetis”

2014 Smoky Mountains Computational Sciences and Engineering Conference and U.S./Japan Exascale Applications Workshop (Gatlinburg, USA, September 5-6, 2014)

Idomura Yasuhiro

“Extreme scale fusion plasma simulations for ITER”

Japan/United States Exascale Applications Workshop (Gatlinburg, USA, September 5-6, 2014)

Muramatsu Ken, Takada Tsuyoshi, Nishida Akemi, Uchiyama Tomoaki, Muta Hitoshi, Furuya Osamu, Fujimoto Shigeru, Itoi Tatsuya

“Study on Next Generation Seismic PRA Methodology, 1; Program Plan and Proposal of New Mathematical Framework”

The 12th Probabilistic Safety Assessment and Management Conference (Hawaii, USA, June 22-27, 2014)

Seki Akiyuki, Saito Osamu, Nago Harutaka, Suzuki Kenta, Tomishima Katsuya, Saito Kimiaki, Takemiya Hiroshi

“Development of Radionuclide Distribution Database System on Fukushima Nuclear Accident”

Fourth European IRPA Congress (Geneva, Switzerland, June 23-27, 2014)

Idomura Yasuhiro

“Extreme scale fusion plasma simulations for ITER”

Extreme Performance Computational Science French-Japanese Conference (Tokyo, Japan, April 14-15, 2014)


【Simulation Technology Research and Development Office】

<Talks>

Okumura Masahiko, Nakamura Hiroki, Machida Masahiko, Kerisit S.

“Adsorption Properties of Cesium Ions to Micaceous Clay Minerals”

249th American Chemical Society National Meeting & Exposition (Denver, USA, March 22-26, 2015)

Ota Yukihiro, Nagai Yuki, Machida Masahiko

“Sensitivity of a 3D fully-gapped topological superconductor to non-magnetic impurities”

APS March Meeting 2015 (San Antonio, USA, March 2-6, 2015)

Nagai Yuki, Ota Yukihiro, Machida Masahiko

“Nonmagnetic impurity effects in a superconducting topological insulator”

APS March Meeting 2015 (San Antonio, USA, March 2-6, 2015)

Nagai Yuki, Ota Yukihiro, Machida Masahiko

“From p- to s-wave behaviors in topological superconductors”

Yukawa International Seminar 2014 (YKIS 2014); Nonequilibrium Phenomena in Novel Quantum States (Kyoto, Japan, December 3-5, 2014)

Itakura Mitsuhiro, Kaburaki Hideo, Yamaguchi Masatake, Tsuru Tomohito

“Morphology of Pyramidal Screw Dislocations in Mg”

Materials Research Society 2014 Fall Meeting (Boston, U. S. A., November 30-December 5, 2014)

Ota Yukihiro, Machida Masahiko, Koyama Tomio, Matsumoto Hideki

“Numerical simulations of terahertz emission from intrinsic Josephson junctions with variation of the number of junctions”

THz-plasma2014 (Kyoto, Japan, November 30-December 3, 2014)

Nagai Yuki, Nakamura Hiroki, Machida Masahiko

“Spin-polarized Majorana Quasiparticle Bound States in Topological Superconductors”

27th International Symposium on Superconductivity (ISS 2014) (Tokyo, Japan, November 25-27, 2014)

Ota Yukihiro, Nagai Yuki, Machida Masahiko

“Theory of low-energy behaviors in topological s-wave pairing superconductors”

27th International Symposium on Superconductivity (ISS 2014) (Tokyo, Japan, November 25-27, 2014)

Shiga Motoyuki

“Boundary based on exchange symmetry theory: A QM/MM method with open systems”

Nose 30 Symposium (Tokyo, Japan, November 10-11, 2014)

Suzudo Tomoaki, Hasegawa Akira

“Migration of rhenium and osmium in tungsten”

ICTP-IAEA Conference on Models and Data for Plasma-Material Interaction in Fusion Devices (Trieste, Italy, November 3-7, 2014)

Suzudo Tomoaki, Yamaguchi Masatake

“Grain boundary segregation of helium in bcc transition metals”

ICTP-IAEA Conference on Models and Data for Plasma-Material Interaction in Fusion Devices (Trieste, Italy, November 3-7, 2014)

Itakura Mitsuhiro, Kaburaki Hideo, Yamaguchi Masatake

“First-principles calculation of screw dislocation core in bcc iron”

The 4th International Symposium on Steel Science (Kyoto, Japan, November 3-6, 2014)

Nagai Yuki, Ota Yukihiro, Machida Masahiko

“From p- to s-wave behaviors in topological superconductors with non-magnetic impurities”

Workshop on Probing and Understanding Exotic Superconductors (EXS 2014) (Trieste, Italy, October 27-31, 2014)

Nakamura Hiroki, Machida Masahiko

“A First-principles study on heat capacity of actinide dioxides”

Nuclear Materials Conference 2014 (NuMat 2014) (Clearwater, U. S. A., October 27-30, 2014)

Ebihara Kenichi, Suzudo Tomoaki, Yamaguchi Masatake, Nishiyama Yutaka

“Simulation for temperature dependence of irradiation-induced grain-boundary phosphorus segregation using first-principles-based rate theory model”

Nuclear Materials Conference 2014 (NuMat 2014) (Clearwater, U. S. A., October 27-30, 2014)

Yamaguchi Masatake, Itakura Mitsuhiro, Kaburaki Hideo, Shiga Motoyuki

“Reduction of Peierls Stress of LPSO Structure under Uniaxial Compression: First-principles Calculations”

LPSO2014 (Kumamoto, Japan, October 5-8, 2014)

Malins A., Okumura Masahiko, Machida Masahiko, Saito Kimiaki

“Quantifying the effect of land topography on air radiation dose rates using Monte Carlo radiation transport modeling”

2014年度日本地球化学会年会 (富山, 日本, 2014年9年16日~18日)

Okumura Masahiko, Nakamura Hiroki, Machida Masahiko

“First-principles studies of cesium adsorption to frayed edge sites of micaceous clay minerals”

248th ACS National Meeting & Exposition (San Francisco, US, August 10-14, 2014)

Shiga Motoyuki

“Ab initio path integral simulations of floppy molecular systems”

Telluride Science Research Center Workshop; Spectroscopy and Dynamics of Coupled Anharmonic Vibrations of Floppy Molecular Systems (July 14-18, 2014, Telluride, U. S. A.)

Yamaguchi Masatake, Kameda Jun

“Multiscale Analysis of Hydrogen-Induced Intergranular Cracking in Medium Strength Alloys Steel with Segregated Solute”

International Workshop on Environmental Damage under Static and Cyclic Loads in Structural Metallic Materials at Ambient Temperatures III (Bergamo, Italy, June 15-20, 2014)

Shiga Motoyuki

Ab initio path integral simulations of hydrogen bonded systems”

East Asian Conference on Chemical Dynamics (Busan, Korea, May 19-21, 2014)

Okumura Masahiko, Nakamura Hiroki, Machida Masahiko

“First-principles study of cesium adsorption to weathered micaceous clay minerals”

European Geosciences Union General Assembly 2014 (Vienna, Austria, April 27-May 02, 2014)

Yamada Susumu, Itakura Mitsuhiro, Okumura Masahiko, Machida Masahiko, Kitamura Akihiro

“Numerical Studies of Radioactive Sediment Deposition on Reservoirs in Fukushima Coastal Area”

European Geosciences Union General Assembly 2014 (Vienna, Austria, April 27-May 02, 2014)