[33] Quantum paramagnetic states in the spin-1/2 distorted honeycomb-lattice Heisenberg antiferromagnet - application to Cu2(pymca)3(ClO4) -
T. Shimokawa, K. Takano, Z. Honda, A. Okutani and M. Hagiwara
Phys. Rev. B 106, 134410 (2022)., arXiv:2206.13064
[32] Quantum spin solver near saturation: QS^3
H. Ueda, S. Yunoki and T. Shimokawa
Comp. Phys. Commun. 277, 108369 (2022)., arXiv:2107.00872
Open source exact diagonalization code specialized for high field regime
[31] Signatures of the finite-temperature mirror symmetry breaking in the S=1/2 Shastry-Sutherland model
T. Shimokawa
Phys. Rev. B 103, 134419 (2021)., arXiv:2012.15546
[30] Multiple-q states of the J1-J2 classical honeycomb-lattice Heisenberg antiferromagnet under magnetic fields
T. Shimokawa, T. Okubo and H. Kawamura
Phys. Rev. B 100, 224404 (2019)., arXiv:1902.01582
[29] High-field Magnetism of the Honeycomb-lattice Antiferromagnet Cu2(pymca)3(ClO4)
A. Okutani, T. Kida, Y. Narumi, T. Shimokawa, Z. Honda, K. Kindo, T. Nakano, Y. Nozue, and M. Hagiwara
J. Phys. Soc. Jpn. 88, 013703 (2019)., arXiv:1811.00278
[28] Ripple state in the frustrated honeycomb-lattice antiferromagnet
T. Shimokawa and H. Kawamura
Phys. Rev. Lett. 123, 057201 (2019)., arXiv:1810.02951
[27] Exact diagonalization and cluster mean-field study of triangular-lattice XXZ antiferromagnets near saturation
D. Yamamoto, H. Ueda, I. Danshita, G. Marmorini, T. Momoi, T. Shimokawa
Phys. Rev. B 96, 014431 (2017)., arXiv:1611.03262
[26] Dzyaloshinsky-Moriya interaction and the ground state in S=3/2 perfect kagome lattice antiferromagnet KCr3(OH)6(SO4)2 (Cr-jarosite) studied by X-band and high-frequency ESR
S. Okubo, R. Nakata, H. Ohta, S. Ikeda, N. Takahashi, T. Sakurai, W.-m. Zhang, T. Shimokawa, T. Sakai, K. Okuta, S. Hara, H. Sato
J. Phys. Soc. Jpn. 86, 024703 (2017)., arXiv:1611.03262
[25] Ferromagnetic resonance features of nano-scaled degenerate GdN semiconductor
R. Vidyasagar, T. Kita, T. Sakurai, T. Shimokawa and H. Ohta
Phys. Lett. A 381, 1905 (2017).
[24] Finite-temperature crossover phenomenon in the S=1/2 antiferromagnetic Heisenberg model on the kagome lattice
T. Shimokawa and H. Kawamura
J. Phys. Soc. Jpn. 85, 113702 (2016)., arXiv:1607.06205
[23] Static and dynamical spin correlations of the S=1/2 random-bond antiferromagnetic Heisenberg model on the triangular and the kagome lattices
T. Shimokawa, K. Watanabe, and H. Kawamura
Phys. Rev. B 92, 134407 (2015)., arXiv:1506.03576
[22] Quantum phase near the saturation field in the S=1/2 frustrated spin ladder
H. Yamaguchi, H. Miyagai, Y. Kono, S. Kittaka, T. Sakakibara, K. Iwase, T. Ono, T. Shimokawa, and Y. Hosokoshi
Phys. Rev. B 91, 125104 (2015).
[21] S=1/2 ferromagnetic-antiferromagnetic alternating Heisenberg chain in a zinc-verdazyl complex
H. Yamaguchi, Y. Shinpuku, T. Shimokawa, K. Iwase, T. Ono, Y. Kono, S. Kittaka, T. Sakakibara, and Y. Hosokoshi
Phys. Rev. B 91, 085117 (2015).
[20] Microscopic properties of degradation-free capped GdN thin films studied by electron spin resonance
T. Shimokawa, Y. Fukuoka, M. Fujisawa, W. Zhang, S. Okubo, T. Sakurai, H. Ohta, R. Vidyasagar, H. Yoshitomi, S. Kitayama, and T. Kita
J. Appl. Phys. 117, 043909 (2015)., arXiv:1501.07672
[19] Quantum spin-liquid behavior in the spin-1/2 random-bond Heisenberg antiferromagnet on the kagome lattice
H. Kawamura, K. Watanabe, T. Shimokawa
J. Phys. Soc. Jpn. 83, 103704 (2014)., arXiv:1408.0606
[18] Field-induced incommensurate phase in the strong-rung spin ladder with ferromagnetic legs
H. Yamaguchi, H. Miyagai, M. Yoshida, M. Takigawa, K. Iwase, T. Ono, N. Kase, K. Araki, S. Kittaka, T. Sakakibara, T. Shimokawa, T. Okubo, K. Okunishi, A. Matsuo, and Y. Hosokoshi
Phys. Rev. B 89, 220402(R) (2014).
[17] Fine-Tuning of Magnetic Interactions in Organic Spin Ladders
H. Yamaguchi, H. Miyagai, T. Shimokawa, K. Iwase, T. Ono, Y. Kono, N. Kase, K. Araki, S. Kittaka, T. Sakakibara, T. Kawakami, K. Okunishi, and Y. Hosokoshi
J. Phys. Soc. Jpn. 83, 033707 (2014).
[16] THz ESR Study of Perfect Kagome Lattice Antiferromagnet Cr-Jarosite
H. Ohta, S. Okubo, R. Nakata, S. Ikeda, N. Takahasi, T. Sakurai, W-m Zhang, T. Shimokawa, K. Okuta, S. Hara, H. Sato
IRMMW-THz, 6956420 (2014).
[15] Quasi-one-dimensional S=1/2 Heisenberg antiferromagnetic chain consisting of the organic radical p-Br-V
K. Iwase, H. Yamaguchi, T. Ono, Y. Hosokoshi, T. Shimokawa, Y. Kono, S. Kittaka, T. Sakakibara, A. Matsuo, and K. Kindo
Phys. Rev. B 88, 184431 (2013).
[14] Crystal Structure and Magnetic Properties of the Verdazyl Biradical m-Ph-V2 Forming a Ferromagnetic Alternating Double Chain
K. Iwase, H. Yamaguchi, T. Ono, T. Shimokawa, H. Nakano, A. Matsuo, K. Kindo, H. Nojiri, and Y. Hosokoshi
J. Phys. Soc. Jpn. 82, 074719 (2013).
[13] Unconventional Magnetic and Thermodynamic Properties of S=1/2 Spin Ladder with Ferromagnetic Legs
H. Yamaguchi, K. Iwase, T. Ono, T. Shimokawa, H. Nakano, Y. Shimura, N. Kase, S. Kittaka, T. Sakakibara, T. Kawakami, and Y. Hosokoshi
Phys. Rev. Lett. 110, 157205 (2013).
[12] Developments of multi-extreme THz ESR system and its application to Cr-jarosite
H. Ohta, S. Okubo, T. Sakurai, E. Ohmichi, W. Zhang, T. Shimokawa, R. Nakata, K. Okuta, S. Hara and H. Sato
IRMMW-THz, 6665463 (2013).
[11] Developments of Multi-extreme High Field ESR in Kobe
H. Ohta, S. Okubo, E. Ohmichi, T. Sakurai, W.-m. Zhang, T. Shimokawa
J. Low Temp. Phys. 170, 511 (2013).
[10] Two-Dimensional Honeycomb Lattice Consisting of a New Organic Radical 2-Cl-6-F-V
H. Yamaguchi, A. Toho, K. Iwase, T. Ono, T. Kawakami, T. Shimokawa, A. Matsuo, and Y. Hosokoshi
J. Phys. Soc. Jpn. 82, 043713 (2013)., "JPSJ Papers of Editors' Choice"
[9] Crystal structure and magnetic properties of honeycomb-like lattice antiferromagnet p-BIP-V2
H. Yamaguchi, S. Nagata, M. Tada, K. Iwase, T. Ono, S. Nishihara, Y. Hosokoshi, T. Shimokawa, H. Nakano, H. Nojiri, A. Matsuo, K. Kindo, T. Kawakami
Phys. Rev. B 87, 125120 (2013).
[8] Nontrivial ferrimagnetism of the Heisenberg model on the Union Jack strip lattice
T. Shimokawa and H. Nakano
J. Kor. Phys. Soc. 63, 591 (2013)., arXiv:1209.3965
[7] Magnetization curve of the kagome-strip-lattice antiferromagnet
T. Shimokawa and H. Nakano
J. Low Temp. Phys. 170, 328 (2012)., arXiv:1208.3825
[6] Ferrimagnetism of the Heisenberg Models on the Quasi-One-Dimensional Kagome Strip Lattices
T. Shimokawa and H. Nakano
J. Phys. Soc. Jpn. 81, 084710 (2012)., arXiv:1207.6771
[5] Magnetic Phase Transition in the Verdazyl Biradical Crystal p-BIP-V2
H. Yamaguchi, M. Tada, S. Nagata, K. Iwase, T. Shimokawa, H. Nakano, H. Nojiri, A. Matsuo, K. Kindo, and Y. Hosokoshi
J. Phys.: Conf. Ser. 400, 032118 (2012).
[4] Frustration Induced Ferrimagnetism in Heisenberg Spin Chains
T. Shimokawa and H. Nakano
J. Phys. Soc. Jpn. 80, 125003 (2011)., arXiv:1111.3430
[3] Ferrimagnetism of the Heisenberg model on the Kagome strip lattice
T. Shimokawa and H. Nakano
J. Phys.: Conf. Ser. 320, 012007 (2011).
[2] Frustration Induced Ferrimagnetism in S=1/2 Heisenberg Spin Chain
T. Shimokawa and H. Nakano
J. Phys. Soc. Jpn. 80, 043703 (2011)., arXiv:1102.4414
[1] Collapse of Ferrimagnetism in Two-Dimensional Heisenberg Antiferromagnet due to Frustration
H. Nakano, T. Shimokawa and T. Sakai
J. Phys. Soc. Jpn. 80, 033709 (2011)., arXiv:1102.3244