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| 2023 |
| 1. |
Efficient Scheme for Time-dependent Thermal Pure Quantum State: Application to the Kitaev Model with Armchair Edges
H. Taguchi, A. Koga, and Y. Murakami, SciPost Phys. Proc. 11, 003 (2023). |
| 2. |
High-harmonic generation in the Rice-Mele model: Role of intraband current originating from interband transition
K. Nagai, Y. Murakami, and A. Koga, JPS Conf. Proc. 38, 011172 (2023). |
| 3. |
Field-direction Dependence of Majorana-mediated Spin Transport
H. Taguchi, A. Koga, Y. Murakami, J. Nasu, and H. Tsuchiura, JPS Conf. Proc. 38, 011152 (2023). |
| 4. |
Confined states in the tight-binding model on the hexagonal golden-mean tiling
T. Matsubara, A. Koga, and S. Coates, J. Phys.: Conf. Ser. 2461, 012003 (2023). |
| 2022 |
| 5. |
Photoinduced Phase Transition in Two-Band model on Penrose Tiling
K. Inayoshi, Y. Murakami, and A. Koga, J. Phys.: Conf. Ser. 2164, 012050 (2022). |
| 6. |
Majorana excitations in the anisotropic Kitaev model with an ordered-flux structure
A. Hashimoto, Y. Murakami, and A. Koga, J. Phys.: Conf. Ser. 2164, 012028 (2022). |
| 2021 |
| 7. |
Ferromagnetically ordered metal in the single-band Hubbard model
A. Koga, Y. Kamogawa, and J. Nasu, AIP Conf. Proc. 2319, 130001 1-4 (2021). |
| 2020 |
| 8. |
Magnetic properties of the S = 1 Kitaev model with anisotropic interactions
T. Minakawa, J. Nasu, and A. Koga, JPS Conf. Proc. 30, 011086 (2020). |
| 2019 |
| 9. |
Magnetic properties in the metallic magnets with large anisotropy
Y. Taguchi, J. Nasu, A. Koga, T. Yoshioka, and H. Tsuchiura, J. Low Temp. Phys. 196, 321-326 (2019). |
| 10. |
Quasiperiodicity and valence fluctuation in the spin-1/2 Falicov-Kimball model
J. Nasu, R. Shinzaki, and A. Koga, J. Low Temp. Phys. 196, 155-162 (2019). |
| 11. |
Ground-state properties for bilayer Kitaev model: dimer expansion study
A. Koga, H. Tomishige, and J. Nasu, J. Supercond. Nov. Magn. 32, 1827-1830 (2019). |
| 2018 |
| 12. |
Ground-state phase diagram in the Kugel-Khomskii model with finite spin-orbit interactions
A. Koga, S. Nakauchi, and J. Nasu, Physica B 536, 369-371 (2018). |
| 2017 |
| 13. |
Cluster Size Effects on Electronic Reconstruction in Quasiperiodic System
R. Shinzaki, J. Nasu, and A. Koga, J. Phys.: Conf. Ser. 809, 012022 (2017). |
| 2016 |
| 14. |
DMFT Study for Valence Fluctuations in the Extended Periodic Anderson Model
R. Shinzaki, J. Nasu, and A. Koga, J. Phys.: Conf. Ser. 683, 012041 (2016). |
| 15. |
Intersite electron correlations in a Hubbard model on inhomogeneous lattices
N. Takemori, A. Koga, and H. Hafermann, J. Phys.: Conf. Ser. 683, 012040 (2016). |
| 16. |
Spin correlation and Majorana spectrum in chiral spin liquids in a decorated-honeycomb Kitaev model
J. Nasu and Y. Motome, J. Phys.: Conf. Ser. 683, 012037 (2016). |
| 2015 |
| 17. |
Phase Diagram of the Kitaev-type Model on a Decorated Honeycomb Lattice in the Isolated Dimer Limit
J. Nasu and Y. Motome, Phys. Procedia 75, 755-762 (2015). |
| 18. |
Low-energy Majorana states in spin-liquid transitions in a three-dimensional Kitaev model
J. Nasu, M. Udagawa, Y. Motome, J. Phys.: Conf. Ser. 592, 012115 (2015). |
| 19. |
DMFT study of the local correlation effects in quasi-periodic system
N. Takemori and A. Koga, J. Phys.: Conf. Ser. 592, 012038 (2015). |
| 20. |
Diagrammatic Quantum Monte Carlo Study of Nonequilibrium Transport throug h a Quantum Dot coupled to Normal and Superconducting Leads
A. Koga, JPS Conf. Proc. 4, 011003 (2015). |
| 21. |
Stabilities of Superfluid and Density Wave States in Fermionic Mass Imbalanced Optical Lattices
N. Takemori and A. Koga, JPS Conf. Proc. 4, 011006 (2015). |
| 2014 |
| 22. |
Cluster mean-field approach with density matrix renormalization group: Application to the hard-core bosonic Hubbard model on a triangular lattice
R. Suzuki and A. Koga, JPS Conf. Proc. 3, 016005 (2014). |
| 23. |
Nonequilibrium transport through a quantum dot coupled to normal and superconducting leads
A. Koga, JPS Conf. Proc. 3, 012018 (2014). |
| 24. |
Valence Fluctuations in the Extended Periodic Anderson Model at Finite Temperatures
Y. Kojima and A. Koga, JPS Conf. Proc. 1, 012106 (2014). |
| 2013 |
| 25. |
Metal-Insulator transition in optical lattice system with site-dependent interactions
T. Saitou, A. Koga and A. Yamamoto, J. Supercond. Nov. Magn. 26, 1771-1774 (2013). |
| 2012 |
| 26. |
Dynamical properties of ultracold fermions with attractive interactions in an optical lattice
A. Koga and P. Werner, J. Phys.: Conf. Ser. 391, 012144 1-4 (2012). |
| 2011 |
| 27. |
Superfluid state in the periodic Anderson model with attractive interactions
A. Koga and P. Werner, J. Phys.: Conf. Ser. 302, 012040 1-6 (2011). |
| 28. |
Superfluid gap formation in a fermionic optical lattice with spin imbalanced populations
A. Koga and P. Werner, J. Phys.: Conf. Ser. 273, 012116 1-4 (2011). |
| 29. |
Pseudogap behavior in the infinite dimensional attractive Hubbard model
A. Koga and P. Werner, Mod. Phys. Lett. B 25, 973-978 (2011). |
| 30. |
Polarized superfluid state in a three-dimensional fermionic optical lattice
A. Koga, J. Bauer, P. Werner, Th. Pruschke, Physica E 43, 697-701 (2011). |
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