Top 20 Most Downloaded Articles -- December 2019

Top 20 most downloaded articles in the month, presented in descending order.

• [Invited Review Paper] Sparse Modeling in Quantum Many-Body Problems
  Junya Otsuki, Masayuki Ohzeki, Hiroshi Shinaoka, and Kazuyoshi Yoshimi
  J. Phys. Soc. Jpn. 89, 012001 (2020)
• [Invited Review Paper]  Hunting Majorana Fermions in Kitaev Magnets
  Yukitoshi Motome and Joji Nasu
  J. Phys. Soc. Jpn. 89, 012002 (2020)
• [Invited Review Paper] Field-Induced Superconductivity in Electric Double Layer Transistors
  Kazunori Ueno, Hidekazu Shimotani, Hongtao Yuan, Jianting Ye, Masashi Kawasaki, and Yoshihiro Iwasa
  J. Phys. Soc. Jpn. 83, 032001 (2014)
• [Invited Review Paper] Topological Insulator Materials
  Yoichi Ando
  J. Phys. Soc. Jpn. 82, 102001 (2013)
• Superconductivity in Mg₂Ir₃Si: A Fully Ordered Laves Phase
  Kazutaka Kudo, Hikaru Hiiragi, Toshiaki Honda, Kazunori Fujimura, Hiroyuki Idei, and Minoru Nohara
  J. Phys. Soc. Jpn. 89, 013701 (2020)
•  Superconductivity of Pure H₃S Synthesized from Elemental Sulfur and Hydrogen
  Harushige Nakao, Mari Einaga, Masafumi Sakata, Masaomi Kitagaki, Katsuya Shimizu, Saori Kawaguchi, Naohisa Hirao, and Yasuo Ohishi
  J. Phys. Soc. Jpn. 88, 123701 (2019)
•   Superconducting Properties of Heavy Fermion UTe₂ Revealed by ¹²⁵Te-nuclear Magnetic Resonance
  Genki Nakamine, Shunsaku Kitagawa, Kenji Ishida, Yo Tokunaga, Hironori Sakai, Shinsaku Kambe, Ai Nakamura, Yusei Shimizu, Yoshiya Homma, Dexin Li, Fuminori Honda, and Dai Aoki
  J. Phys. Soc. Jpn. 88, 113703 (2019)
•  Statistical-Mechanical Theory of Irreversible Processes. I. General Theory and Simple Applications to Magnetic and Conduction Problems
  Ryogo Kubo
  J. Phys. Soc. Jpn. 12, 570 (1957)
• Topological Features in a Chiral p-wave Superconductor under Uniaxial Strain
  Yoshiki Imai and Manfred Sigrist
  J. Phys. Soc. Jpn. 89, 014702 (2020)
•  Unconventional Superconductivity in Heavy Fermion UTe₂
  Dai Aoki, Ai Nakamura, Fuminori Honda, DeXin Li, Yoshiya Homma, Yusei Shimizu, Yoshiki J. Sato, Georg Knebel, Jean-Pascal Brison, Alexandre Pourret, Daniel Braithwaite, Gerard Lapertot, Qun Niu, Michal Vališka, Hisatomo Harima, and Jacques Flouquet
  J. Phys. Soc. Jpn. 88, 043702 (2019)
• [Invited Review Paper] Review of U-based Ferromagnetic Superconductors: Comparison between UGe₂, URhGe, and UCoGe
  Dai Aoki, Kenji Ishida, and Jacques Flouquet
  J. Phys. Soc. Jpn. 88, 022001 (2019)
•  Prerequisites for Relevant Spectral Density and Convergence of Reduced Density Matrices at Low Temperatures
  Akihito Ishizaki
  J. Phys. Soc. Jpn. 89, 015001 (2020)
• Discovery of the New Crystallographic Phase of an Exotic Magnetic Oxide: 18H-type Hexaferrite
  Kazuya Watanabe, Takashi Fujihara, Kowashi Watanabe, Koichi Kakizaki, and Kenji Kamishima
  J. Phys. Soc. Jpn. 89, 014704 (2020)
•  Chern Numbers in Discretized Brillouin Zone: Efficient Method of Computing (Spin) Hall Conductances
  Takahiro Fukui, Yasuhiro Hatsugai, and Hiroshi Suzuki
  J. Phys. Soc. Jpn. 74, 1674 (2005)
•  A New Aspect of the Charged Domain Wall in Hexagonal RMnO₃ Systems (R: Y, In)
  Shigeo Mori, Hiroaki Ishizuka, Sang-Wook Cheong, Naoto Nagaosa, and Yasusada Yamada
  J. Phys. Soc. Jpn. 88, 124603 (2019)
•  Voltage-Controlled Magnonic Spin Tunneling Junction
  Kohei Ohgane, Yuta Yahagi, Daisuke Miura, and Akimasa Sakuma
  J. Phys. Soc. Jpn. 89, 013601 (2020)
• The Kundu-nonlinear Schrödinger Equation: Breathers, Rogue Waves and Their Dynamics
  Xiu-Bin Wang and Bo Han
  J. Phys. Soc. Jpn. 89, 014001 (2020)
• Odd-Parity Multipoles by Staggered Magnetic Dipole and Electric Quadrupole Orderings in CeCoSi
  Megumi Yatsushiro and Satoru Hayami
  J. Phys. Soc. Jpn. 89, 013703 (2020)
• [Invited Review Paper] Photoinduced Ultrafast Phenomena in Correlated Electron Magnets
  Sumio Ishihara
  J. Phys. Soc. Jpn. 88, 072001 (2019)
• Density Functional Theory Studies of Muon Stopping Sites and Hyperfine Interaction in [Au₂₅(SR)₁₈]⁰ Nanocluster
  Siti Nur Afifi Ahmad, Shukri Sulaiman, Dang Fatihah Hasan Baseri, Lee Sin Ang, Nor Zakiah Yahaya, Hasni Arsad, and Isao Watanabe
  J. Phys. Soc. Jpn. 89, 014301 (2020)