Original papers

1. Paramagnetic electron-nuclear spin entanglement in HoCo₂Zn₂₀
   Takafumi Kitazawa, Yasuyuki Shimura, Takahiro Onimaru, Shun Tsuchida, Katsunori Kubo, Yoshinori Haga, Hironori Sakai, Yoshifumi Tokiwa, Shinsaku Kambe, and Yo Tokunaga
   Phys. Rev. Research 8, 023009 (2026) [14 pages]
   arXiv:2510.21158


2. Self-Reconstruction of Order Parameter in Spin-Triplet Superconductor UTe₂
   Y. Tokiwa, P. Opletal, H. Sakai, K. Kubo, S. Kambe, E. Yamamoto, M. Kimata, S. Awaji, T. Sasaki, D. Aoki, Y. Yanase, Y. Tokunaga, and Y. Haga
   Phys. Rev. Lett. 135, 136502 (2025) [6 pages]
   arXiv:2210.11769


3. Surface Structure and Surface State of a Tight-Binding Model on a Diamond Lattice
   Katsunori Kubo
   J. Phys. Soc. Jpn. 94, 074701 (2025) [5 pages]
   arXiv:2504.21223


4. Flat Surface State with Octupole Moment in an e_g Orbital System on a Simple Cubic Lattice
   Katsunori Kubo
   J. Phys. Soc. Jpn. 94, 054703 (2025) [7 pages]
   arXiv:2408.12046


5. Octupolar edge state in an e_g orbital system on a square lattice
   Katsunori Kubo
   Phys. Rev. B 110, 075110 (2024) [7 pages]
   arXiv:2404.00823


6. Weyl Semimetallic State in the Rashba-Hubbard Model
   Katsunori Kubo
   J. Phys. Soc. Jpn. 93, 024708 (2024) [8 pages]
   arXiv:2307.04307


7. Enhanced Spin–Orbit Coupling in a Correlated Metal
   Katsunori Kubo
   J. Phys. Soc. Jpn. 91, 124707 (2022) [7 pages]
   arXiv:2211.05354


8. Destabilization of ferromagnetism by frustration and realization of a nonmagnetic Mott transition in the quarter-filled two-orbital Hubbard model
   Katsunori Kubo
   Phys. Rev. B 103, 085118 (2021) [7 pages]
   arXiv:2102.07262


9. Nematic and time-reversal breaking superconductivities coexisting with quadrupole order in a Γ₃ system
   Katsunori Kubo
   Phys. Rev. B 101, 064512 (2020) [10 pages]
   arXiv:2002.10580


10. Anisotropic Superconductivity Emerging from the Orbital Degrees of Freedom in a Γ₃ Non-Kramers Doublet System
    Katsunori Kubo
    J. Phys. Soc. Jpn. 87, 073701 (2018) [4 pages]
    arXiv:1806.00948


11. Influence of lattice structure on multipole interactions in Γ₃ non-Kramers doublet systems
    Katsunori Kubo and Takashi Hotta
    Phys. Rev. B 95, 054425 (2017) [6 pages]
    arXiv:1702.00082


12. Variational Wavefunction for the Periodic Anderson Model with Onsite Correlation Factors
    Katsunori Kubo and Hiroaki Onishi
    J. Phys. Soc. Jpn. 86, 013701 (2017) [4 pages]
    arXiv:1611.05174


13. Lifshitz Transitions in Magnetic Phases of the Periodic Anderson Model
    Katsunori Kubo
    J. Phys. Soc. Jpn. 84, 094702 (2015) [8 pages]
    arXiv:1507.04067


14. Ferromagnetism and Fermi-surface transition in the periodic Anderson model:
    Second-order phase transition without symmetry breaking
    Katsunori Kubo
    Phys. Rev. B 87, 195127 (2013) [9 pages]
    arXiv:1305.2653


15. Gutzwiller Method for an Extended Periodic Anderson Model with the c-f Coulomb Interaction
    Katsunori Kubo
    J. Phys. Soc. Jpn. 80, 114711 (2011) [8 pages]
    arXiv:1108.3132


16. Mass Enhancement in an Intermediate-Valent Regime of Heavy-Fermion Systems
    Katsunori Kubo
    J. Phys. Soc. Jpn. 80, 063706 (2011) [4 pages]
    arXiv:1106.2360


17. Multiorbital Effects on Antiferromagnetism in Fe Pnictides
    Katsunori Kubo and Peter Thalmeier
    J. Phys. Soc. Jpn. 78, 083704 (2009) [4 pages]
    arXiv:0903.4064


18. Variational Monte Carlo study of ferromagnetism in the two-orbital Hubbard model on a square lattice
    Katsunori Kubo
    Phys. Rev. B 79, 020407(R) (2009) [4 pages]
    arXiv:0901.4415


19. Fulde-Ferrell-Larkin-Ovchinnikov State in the Absence of a Magnetic Field
    Katsunori Kubo
    J. Phys. Soc. Jpn. 77, 043702 (2008) [4 pages]
    arXiv:0804.1011


20. Pairing symmetry in a two-orbital Hubbard model on a square lattice
    Katsunori Kubo
    Phys. Rev. B 75, 224509 (2007) [8 pages]
    arXiv:cond-mat/0702624


21. Orbital-Controlled Superconductivity in f-Electron Systems
    Katsunori Kubo and Takashi Hotta
    J. Phys. Soc. Jpn. 75, 083702 (2006) [5 pages]
    arXiv:cond-mat/0603602


22. Magnetic Susceptibility of Multiorbital Systems
    Katsunori Kubo and Takashi Hotta
    J. Phys. Soc. Jpn. 75, 013702 (2006) [4 pages]
    arXiv:cond-mat/0509788


23. Analysis of f-p model for octupole ordering in NpO₂
    Katsunori Kubo and Takashi Hotta
    Phys. Rev. B 72, 132411 (2005) [4 pages]
    arXiv:cond-mat/0505548


24. Multipole ordering in f-electron systems on the basis of a j-j coupling scheme
    Katsunori Kubo and Takashi Hotta
    Phys. Rev. B 72, 144401 (2005) [12 pages]
    arXiv:cond-mat/0506213


25. Microscopic theory of multipole ordering in NpO₂
    Katsunori Kubo and Takashi Hotta
    Phys. Rev. B 71, 140404(R) (2005) [4 pages]
    arXiv:cond-mat/0409116


26. Theory of Coupled Multipole Moments Probed by X-ray Scattering in CeB₆
    Hiroshi N. Kono, Katsunori Kubo and Yoshio Kuramoto
    J. Phys. Soc. Jpn. 73, 2948-2951 (2004) [4 pages]
    arXiv:cond-mat/0404498


27. Octupole Ordering Model for the Phase IV of Ce_xLa_1-xB₆
    Katsunori Kubo and Yoshio Kuramoto
    J. Phys. Soc. Jpn. 73, 216-224 (2004) [9 pages]
    arXiv:cond-mat/0311262


28. Lattice Distortion and Octupole Ordering Model in Ce_xLa_1-xB₆
    Katsunori Kubo and Yoshio Kuramoto
    J. Phys. Soc. Jpn. 72, 1859-1862 (2003) [4 pages]
    arXiv:cond-mat/0304689


29. Interpocket Polarization Model for Magnetic Structures in Rare-Earth Hexaborides
    Yoshio Kuramoto and Katsunori Kubo
    J. Phys. Soc. Jpn. 71, 2633-2636 (2002) [4 pages]
    arXiv:cond-mat/0207045


30. Quantum Fluctuation Induced Order in an Anisotropic Pseudospin Model
    Katsunori Kubo
    J. Phys. Soc. Jpn. 71, 1308-1312 (2002) [5 pages]


31. Orbital Orderings in Ferromagnetic Metallic Manganites
    Katsunori Kubo and Dai S. Hirashima
    J. Phys. Soc. Jpn. 71, 183-188 (2002) [6 pages]


32. Multiple-spin exchange in a two-dimensional Wigner crystal in a magnetic field
    Dai S. Hirashima and Katsunori Kubo
    Phys. Rev. B 63, 125340 (2001) [4 pages]


33. Magnetic Penetration Depth in Quasi-Two-Dimensional Superconductors with Line Nodes
    Katsunori Kubo and Dai S. Hirashima
    J. Phys. Soc. Jpn. 69, 3489-3492 (2000) [4 pages]


34. Effects of the Hund's Rule Coupling in an Orbitally Degenerate Anderson Model
    Katsunori Kubo and Dai S. Hirashima
    J. Phys. Soc. Jpn. 68, 2317-2325 (1999) [9 pages]


35. Nonanalytic Contribution to the Free Energy of Interacting Two-Dimensional Fermion Systems
    Dai S. Hirashima and Katsunori Kubo
    J. Phys. Soc. Jpn. 68, 2174-2177 (1999) [4 pages]

Proceedings

1. Enhancement of an Effective Spin–Orbit Coupling in a Correlated Metal
   Katsunori Kubo
   JPS Conf. Proc. 38, 011161 (2023) [6 pages]


2. Coexistence of Superconductivity with Quadrupole Order in a Γ₃ System
   Katsunori Kubo
   JPS Conf. Proc. 30, 011041 (2020) [6 pages]


3. Superconductivity in a multiorbital model for the Γ₃ crystalline electric field state
   Katsunori Kubo
   AIP Adv. 8, 101313 (2018) [6 pages]


4. Multipole interactions of Γ₃ non-Kramers doublet systems on cubic lattices
   Katsunori Kubo and Takashi Hotta
   J. Phys.: Conf. Ser. 969, 012096 (2018) [6 pages]


5. Itinerant-Localized Transitions in Magnetic Phases of the Periodic Anderson Model
   Katsunori Kubo
   Phys. Procedia 75, 214-220 (2015) [7 pages]


6. Variational Monte Carlo study of magnetic states in the periodic Anderson model
   Katsunori Kubo
   J. Phys.: Conf. Ser. 592, 012039 (2015) [6 pages]


7. Ferromagnetic States in the Periodic Anderson Model
   Katsunori Kubo
   JPS Conf. Proc. 3, 011023 (2014) [6 pages]


8. Gutzwiller method for heavy-fermion systems under a magnetic field
   Katsunori Kubo
   Phys. Status Solidi C 10, 544-548 (2013) [5 pages]


9. Mass enhancement in an extended periodic Anderson model with valence fluctuations
   Katsunori Kubo
   J. Phys.: Conf. Ser. 391, 012159 (2012) [4 pages]


10. Correlation Effects on Antiferromagnetism in Fe Pnictides
    Katsunori Kubo and Peter Thalmeier
    J. Phys. Soc. Jpn. 80, SA121 (2011) [3 pages]
    arXiv:1010.4626


11. Antiferromagnetism with ferro-orbital order in Fe pnictides
    Katsunori Kubo and Peter Thalmeier
    J. Phys.: Conf. Ser. 200, 012097 (2010) [4 pages]


12. Ferromagnetism and orbital order in the two-orbital Hubbard model
    Katsunori Kubo
    J. Phys.: Conf. Ser. 150, 042101 (2009) [4 pages]
    arXiv:0811.0733


13. Superconductivity in e_g orbital systems with multi-Fermi-surface
    Katsunori Kubo
    J. Optoelectron. Adv. Mater. 10, 1683-1687 (2008) [5 pages]


14. Superconductivity in f-electron systems controlled by crystalline electric fields
    Katsunori Kubo and Takashi Hotta
    J. Magn. Magn. Mater. 310, 572-574 (2007) [3 pages]


15. Multipole Ordering and Fluctuations in f-Electron Systems
    Katsunori Kubo and Takashi Hotta
    J. Phys. Soc. Jpn. 75 Suppl., 232-237 (2006) [6 pages]
    arXiv:cond-mat/0512647


16. Multipole ordering in f-electron systems
    Katsunori Kubo and Takashi Hotta
    Physica B 378-380, 1081-1082 (2006) [2 pages]
    arXiv:cond-mat/0506041


17. Multipole ordering effects on X-ray scattering from CeB₆
    Hiroshi N. Kono, Katsunori Kubo and Yoshio Kuramoto
    Physica B 359-361, 971-973 (2005) [3 pages]


18. Magnetic and Quadrupolar Interactions in NdB₆
    Katsunori Kubo and Yoshio Kuramoto
    J. Phys.: Condens. Matter 15, S2251-S2254 (2003) [4 pages]


19. Interpocket polarization model for ordering structures in rare-earth hexaborides
    Yoshio Kuramoto and Katsunori Kubo
    Physica B 328, 135-138 (2003) [4 pages]


20. Orbital orderings and excitations in ferromagnetic metallic manganites
    Katsunori Kubo and Dai S. Hirashima
    J. Phys. Chem. Solids 63, 1571-1574 (2002) [4 pages]


21. Correlation effect on Orbital Orderings in Ferromagnetic Metallic Manganites
    Katsunori Kubo and Dai S. Hirashima
    J. Phys. Soc. Jpn. 71 Suppl., 151-153 (2002) [3 pages]


22. Multiple-spin exchange in a two-dimensional Wigner crystal
    Dai Hirashima, Katsunori Kubo, Masafumi Katano
    Physica E 10, 117-119 (2001) [3 pages]


23. Uniform susceptibility near an antiferromagnetic quantum critical point
    Katsunori Kubo
    Physica B 281-282, 414-416 (2000) [3 pages]

Others

1. Magnetic Order of Non-Magnetic Ions
   —Theoretical Investigation of Higher-Order Magnetic Order of Non-Kramers Ions—
   JAEA R&D Review 2017-18, 41-41 (2018) [1 page]