Masahiko Machida

Berry phase from vortex dynamics in BCS superconductors revisited

Akihiro Tanaka, Masahiko Machida

Physica C: Superconductivity and its Applications 313(1-2) 141 - 147 Feb, 2020 Peer-reviewed

Monte Carlo radiation transport modelling of the current-biased kinetic inductance detector

Malins, Alex, Machida, Masahiko, The Dang Vu, Aizawa, Kazuya, Ishida, Takekazu

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 953 Feb, 2020 Peer-reviewed

Simulation study of the effects of buildings, trees and paved surfaces on ambient dose equivalent rates outdoors at three suburban sites near Fukushima Dai-ichi

Minsik Kim, Alex Malins, Kazuya Yoshimura, Kazuyuki Sakuma, Hiroshi Kurikami, Akihiro Kitamura, Masahiko Machida, Yukihiro Hasegawa, Hideaki Yanagi

Journal of Environmental Radioactivity 210 105803 - 105803 Dec, 2019 Peer-reviewed

Radiocesium interaction with clay minerals: Theory and simulation advances Post–Fukushima

Masahiko Okumura, Sebastien Kerisit, Ian C. Bourg, Laura N. Lammers, Takashi Ikeda, Michel Sassi, Kevin M. Rosso, Masahiko Machida

Journal of Environmental Radioactivity 210 105809 - 105809 Dec, 2019 Peer-reviewed

First-principles calculation of mechanical properties of simulated debris Zr<inf>x</inf>U<inf>1−</inf><inf>x</inf>O<inf>2</inf>

Mitsuhiro Itakura, Hiroki Nakamura, Toru Kitagaki, Takanori Hoshino, Masahiko Machida

Journal of Nuclear Science and Technology 56(9-10) 915 - 921 Oct 3, 2019 Peer-reviewed

Quantum chemical calculations for the norbadione A complexes with Cs⁺, K⁺, and Na⁺ in gas and aqueous phases

Hiroya Suno, Masahiko Machida

Chemical Physics Letters 730 26 - 31 Sep, 2019 Peer-reviewed

Long-term simulations of radiocesium discharge in watershed with improved radioesium wash-off model: Applying the model to Abukuma River basin of Fukushima

Xudong Liu, Masahiko Machida, Hiroshi Kurikami, Akihiro Kitamura

Journal of Environmental Radioactivity 203 135 - 146 Jul, 2019 Peer-reviewed

First-principles calculation study on phonon thermal conductivity of thorium and plutonium dioxides: Intrinsic anharmonic phonon-phonon and extrinsic grain-boundary–phonon scattering effects

Hiroki Nakamura, Masahiko Machida

Journal of Nuclear Materials 519 45 - 51 Jun, 2019 Peer-reviewed

Development of the ReaxFF Methodology for Electrolyte-Water Systems

Mark V. Fedkin, Yun Kyung Shin, Nabankur Dasgupta, Jejoon Yeon, Weiwei Zhang, Diana Van Duin, Adri C.T. Van Duin, Kento Mori, Atsushi Fujiwara, Masahiko Machida, Hiroki Nakamura, Masahiko Okumura

Journal of Physical Chemistry A 123(10) 2125 - 2141 Mar 14, 2019 Peer-reviewed

Understanding competition of polyalcohol dehydration reactions in hot water

Yong Lik Chang, Takehiko Sasaki, Jordi Ribas-Arino, Masahiko Machida, Motoyuki Shiga

Journal of Physical Chemistry B 123(7) 1662 - 1671 Feb 21, 2019 Peer-reviewed

Seven-year temporal variation of cesium-137 discharge inventory from the port of Fukushima Dai-ichi nuclear power plant

Masahiko Machida, Susumu Yamada, Ayako Iwata, Shigeyoshi Otosaka, Takuya Kobayashi, Masahisa Watanabe, Hideyuki Funasaka, Takami Morita

Transactions of the Atomic Energy Society of Japan 18(4) 226 - 236 2019 Peer-reviewed

福島県内を想定した複雑な実環境中での空間線量率分布解析システム(3D‐ADRES)の研究開発―リモートセンシング情報の活用と各環境因子(地形・土壌・建物・樹木等)の影響評価―

金敏植, MALINS Alex, 佐久間一幸, 北村哲浩, 町田昌彦, 長谷川幸弘, 柳秀明

RIST News (64) 3‐16 - 16 Sep 20, 2018

New antiferromagnetic order with pressure-induced superconductivity in EuFe2As2

Shugo Ikeda, Yuu Tsuchiya, Xiao Wei Zhang, Shunji Kishimoto, Takumi Kikegawa, Yoshitaka Yoda, Hiroki Nakamura, Masahiko Machida, James K. Glasbrenner, Hisao Kobayashi

Physical Review B 98(10) 100502\_1 - 100502\_6 Sep 18, 2018 Peer-reviewed

New antiferromagnetic order with pressure-induced superconductivity in EuFe2As2

Ikeda Shugo, Tsuchiya Yuu, Zhang Xiao-Wei, Kishimoto Shunji, Kikegawa Takumi, Yoda Yoshitaka, Nakamura Hiroki, Machida Masahiko, Glasbrenner James K, Kobayashi Hisao

PHYSICAL REVIEW B 98(10) Sep 18, 2018 Peer-reviewed

ミクロ~マクロレベル現象の粒子ベースシミュレーション~課題と展望~第2回第一原理原子・分子シミュレーションの現状と原子力分野での研究進展

町田昌彦, 奥村雅彦, 中村博樹, 山口正剛

ΑΤΟΜΟΣ 60(9) 552‐556 Sep 1, 2018

Development of an Evaluation Tool for Air Dose Rate in Forests Using a Monte Carlo Radiation Transport Code (PHITS)

佐久間一幸, 新里忠史, KIM Minsik, MALINS Alex, 町田昌彦, 吉村和也, 操上広志, 北村哲浩, 細見正明

環境放射能除染学会誌 6(3) 145‐152 - 152 Sep, 2018 Peer-reviewed

Radiocesium interaction with clay minerals: Theory and simulation advances Post–Fukushima

Masahiko Okumura, Sebastien Kerisit, Ian C. Bourg, Laura N. Lammers, Takashi Ikeda, Michel Sassi, Kevin M. Rosso, Masahiko Machida

Journal of Environmental Radioactivity 189 135 - 145 Sep, 2018 Peer-reviewed

森林内での菌類有機分子とセシウムの選択的錯体形成機構の理論研究

数納広哉, 町田昌彦, 土肥輝美