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1. One-third magnetization plateau in Quantum Kagome antiferromagnet
   Moyu Kato, Yasuo Narumi, Katsuhiro Morita, Yoshitaka Matsushita, Shuhei Fukuoka, Satoshi Yamashita, Yasuhiro Nakazawa, Migaku Oda, Hiroaki Hayashi, Kazunari Yamaura, Masayuki Hagiwara and Hiroyuki K. Yoshida
   Commun. Phys. 7, 424 (2024).
   プレスリリース
   
   

2. Valence Bond Crystal Ground State of the 1/9 Magnetization Plateau in the Spin-1/2 Kagome Lattice
   K. Morita
   J. Phys. Soc. Jpn. 93, 123706 (2024).
    

3. Six magnetization plateau phases in a spin-1/2 distorted kagome antiferromagnet: Application to Y3⁢Cu9⁢(OH)19⁢Cl8
   K. Bodaiji, K. Morita, Y. Fukumoto
   Phys. Rev. B 110, 104431 (2024).
    

4. Engineering of a Low-Entropy Quantum Simulator for Strongly Correlated Electrons Using Cold Atoms with SU(N)-Symmetric Interactions
   D. Yamamoto and K. Morita
   Phys. Rev. Lett. 132, 213401 (2024).
   プレスリリース　東京理科大学　JST
    

5. Rhenium oxyhalides: a showcase for anisotropic-triangular-lattice quantum antiferromagnets
   M. Gen, D. Hirai, K. Morita, S. Kogane, N. Matsuyama, T. Yajima, M. Kawamura, K. Deguchi, A. Matsuo, K. Kindo, Y. Kohama, and Z. Hiroi
   arXiv:2311.06040
    

6. Stability of the 1/3 magnetization plateau of the J1−J2 kagome Heisenberg model
   K. Morita
   Phys. Rev. B 108, 184405(2023).
    

7. A Series Expansion Study for Large Negative Quantum Renormalization of Magnon Spectra in the S=1/2 Kagome-Lattice Heisenberg Antiferromagnet Cs2Cu3SnF12
   S. Kogure, M. Takeda, K. Morita, Y. Fukumoto, M. Saito, and H. Tanaka
   J. Phys. Soc. Jpn. 92, 113703 (2023).
    

8. Spin gap in the weakly interacting quantum spin chain antiferromagnet KCuPO4⋅H2O
   M. Fujihala, M. Hagihala, K. Morita, N. Murai, A. Koda, H. Okabe, and S. Mitsuda
   Phys. Rev. B 107, 054435 (2023).
    

9. Birchite Cd2Cu2(PO4)2SO4⋅5H2O as a model antiferromagnetic spin-1/2 Heisenberg J1−J2 chain
   M. Fujihala, H. O. Jeschke, K. Morita, T. Kuwai, A. Koda, H. Okabe, A. Matsuo, K. Kindo, and S. Mitsuda
   Phys. Rev. Materials 6, 114408 (2022).
    

10. Gapless chirality liquid with symmetry-protected edge spins
    S. C. Furuya and K. Morita
    arXiv:2207.02485
     

11. Effects of bond-randomness and Dzyaloshinskii-Moriya interactions on the specific heat at low temperatures of a spherical kagomé cluster in {W72V30}
    M. Motohashi, K. Inoue, K. Morita, Y. Fukumoto, and H. Nakano
    Prog. Theor. Exp. Phys. 2022, 113I01 (2022).
     

12. Isothermal and adiabatic magnetization processes of the spin-1/2 Heisenberg model on an anisotropic triangular lattice
    K. Morita
    Phys. Rev. B 105, 064428 (2022).
     

13. Magnetic phase diagrams of the spin-1/2 Heisenberg model on a kagome-strip chain: Emergence of a Haldane phase
    K. Morita, S. Sota, and T. Tohyama
    Phys. Rev. B 104, 224417 (2021)
     

14. Resonating dimer-monomer liquid state in a magnetization plateau of a spin-1/2 kagome-strip Heisenberg chain
    K. Morita, S. Sota, and T. Tohyama
    Commun. Phys. 4, 161 (2021)
     

15. Magnetic Diffuse Scattering of YBaCo4O7 and LuBaCo4O7 on Kagome and Triangular Lattices
    M. Soda, K. Morita, G. Ehlers, F. Ye, T. Tohyama, H. Yoshizawa, T. Masuda, and H. Kawano-Furukawa
    J. Phys. Soc. Jpn. 90, 074704 (2021).
     

16. Gapless spin liquid in a square-kagome lattice antiferromagnet
    M. Fujihala, K. Morita, R. Mole, S. Mitsuda, T. Tohyama, S. Yano, D. Yu, S. Sota, T. Kuwai, A. Koda, H. Okabe, H. Lee, S. Itoh, T. Hawai, T. Masuda, H. Sagayama, A. Matsuo, K. Kindo, S. Ohira-Kawamura, and K. Nakajima
    Nature Commun. 11 3429 (2020)
    プレスリリース　日本語版　英語版
     

17. Cluster-Based Haldane States in Spin-1/2 Cluster Chains
    T. Sugimoto, K. Morita, and T. Tohyama
    Phys. Rev. Research 2, 023420 (2020)
     

18. Vanishing Wilson ratio as the hallmark of quantum spin-liquid models
    P. Prelovšek, K. Morita, T. Tohyama, and J. Herbrych
    Phys. Rev. Research 2, 023024 (2020)
     

19. Magnetic orders induced by RKKY interaction in Tsai-type quasicrystalline approximant Au-Al-Gd
    H. Miyazaki, T. Sugimoto, K. Morita, and T. Tohyama
    Phys. Rev. Materials 4, 024417 (2020)
     

20. Finite-temperature properties of the Kitaev-Heisenberg models on kagome and triangular lattices studied by improved finite-temperature Lanczos methods
    K. Morita and T. Tohyama
    Phys. Rev. Research 2, 013205 (2020)
     

21. Magnetization plateau and supersolid phases in the spin-1/2 antiferromagnetic Heisenberg model on a tetragonally distorted fcc lattice
    K. Morita and T. Tohyama
    Phys. Rev. B 99, 144417(2019)
     

22. Ground-state phase diagram of the Kitaev-Heisenberg model on a kagome lattice
    K. Morita, M. Kishimoto, and T. Tohyama
    Phys. Rev. B 98, 134437 (2018)
     

23. Ground state phase diagram of Kitaev-Heisenberg model on honeycomb-triangular lattice
    M. Kishimoto, K. Morita, Y. Matsubayashi, S. Sota, S. Yunoki, and T. Tohyama
    Phys. Rev. B 98, 054411 (2018)
     

24. Magnetic Phase Diagrams and Magnetization Plateaus of the Spin-1/2 Antiferromagnetic Heisenberg Model on a Square-Kagome Lattice with Three Nonequivalent Exchange Interactions
    K. Morita and T. Tohyama
    J. Phys. Soc. Jpn. 87, 043704 (2018)
     

25. Magnetization plateaus in the spin-1/2 antiferromagnetic Heisenberg model on a kagome-strip chain
    K. Morita, T. Sugimoto, S. Sota, and T. Tohyama
    Phys. Rev. B 97, 014412 (2018)
     

26. Possible Tomonaga-Luttinger spin liquid in the spin-1/2 inequilateral diamond-chain compound K3Cu3AlO2(SO4)4
    M. Fujihala, H. Koorikawa, S. Mitsuda, K. Morita, T. Tohyama, K. Tomiyasu, A. Koda, H. Okabe, S. Itoh, T. Yokoo, S. Ibuka, M. Tadokoro, M. Itoh, H. Sagayama, R. Kumai, Y. Murakami, D. Nakamura, and S. Takeyama
    Scientific Reports 7, 16785 (2017)
     

27. Static and Dynamic Magnetic Properties of Spin-1/2 Inequilateral Diamond-Chain Compounds A3Cu3AlO2(SO4)4 (A=K, Rb, and Cs)
    K. Morita, M. Fujihala, H. Koorikawa, T. Sugimoto, S. Sota, S. Mitsuda, and T. Tohyama
    Phys. Rev. B 95, 184412 (2017)
     

28. Multiple magnetization plateaus and magnetic structures in the S=1/2 Heisenberg model on the checkerboard lattice
    K. Morita and N. Shibata
    Phys. Rev. B 94, 140404(R) (2016)
     

29. Field-Induced Quantum Phase Transitions in S = 1/2 J1–J2 Heisenberg Model on Square Lattice
    K. Morita and N. Shibata
    J. Phys. Soc. Jpn. 85, 094708 (2016)
     

30. Exact Nonmagnetic Ground State and Residual Entropy of S = 1/2 Heisenberg Diamond Spin Lattices
    K. Morita and N. Shibata
    J. Phys. Soc. Jpn. 85, 033705 (2016)
     

31. Pinwheel valence-bond solid and triplet excitations in the two-dimensional deformed kagome lattice
    K. Matan, T. Ono, Y. Fukumoto, T. J. Sato, J. Yamaura, M. Yano, K. Morita and H. Tanaka
    Nature Physics 6, 865 (2010)
     

32. Partial ferromagnetic ordering and indirect exchange interaction in the spatially anisotropic kagome antiferromagnet Cs2Cu3CeF12
    T. Amemiya, M. Yano, K. Morita, I. Umegaki, T. Ono, H. Tanaka, K. Fujii, and H. Uekusa
    Phys. Rev. B 80, 100406(R) (2009)
     

33. Magnetic susceptibilities in a family of S=1/2 kagome antiferromagnets
    T. Ono, K. Morita, M. Yano, H. Tanaka, K. Fujii, H. Uekusa, Y. Narumi, and K. Kindo
    Phys. Rev. B 79, 174407 (2009)
     

34. New S=1/2 Kagomé antiferromagnets A2Cu3SnF12: A=Cs and Rb
    T. Ono, K. Morita, M. Yano, H. Tanaka, K. Fujii, H. Uekusa, Y. Narumi and K. Kindo
    J. Phys. Conf. Ser. 145 012005 (2009)
     

35. Singlet Ground State and Spin Gap in S = 1/2 Kagomé Antiferromagnet Rb2Cu3SnF12
    K. Morita, M. Yano, T. Ono, H. Tanaka, K. Fujii, H. Uekusa, Y. Narumi, and K. Kindo
    J. Phys. Soc. Jpn. 77, 043707 (2008)