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W. Izumida, R. Okuyama, K. Sato, T. Kato, and M. Matsuo, “Einstein-de Haas nanorotor”, Phys. Rev. Lett. 128, 017701 (2022) (e-print arXiv:2106.04861)
R. Okuyama, W. Izumida, and M. Eto, “Topological classification of the single-wall carbon nanotube”, Phys. Rev. B 99, 115409 (2019) (e-print arXiv:1812.06399)
H. Kim, S. Park, R. Okuyama, K. Kyhm, M. Eto, R. A. Taylor, G. Nogues, L. S. Dang, M. Potemski, K. Je, J. Kim, J. Kyhm, and J. Song, “Light controlled optical Aharonov-Bohm oscillations in a single quantum ring”, Nano Lett. 18, 6188 (2018)
R. Okuyama, W. Izumida, and M. Eto, “Topological phase transition in metallic single-wall carbon nanotube”, J. Phys. Soc. Jpn 86, 013702 (2017) (open access)
W. Izumida, R. Okuyama, A. Yamakage, and R. Saito, “Angular momentum and topology in semiconducting single-wall carbon nanotubes”, Phys. Rev. B 93, 195442 (2016) (e-print arXiv:1603.06333)
H. D. Kim, R. Okuyama, K. Kyhm, M. Eto, R. A. Taylor, A. L. Nicolet, M. Potemski, G. Nogues, L. S. Dang, K.-C. Je, J. Kim, J.-H. Kyhm, K. H. Yoen, E. H. Lee, J. Y. Kim, I. K. Han, W. Choi, and J. Song, “Observation of a biexciton Wigner molecule by fractional optical Aharonov-Bohm oscillations in a single quantum ring”, Nano Lett. 16, 27 (2016)
W. Izumida, R. Okuyama, and R. Saito, “Valley coupling in finite-length metallic single-wall carbon nanotubes”, Phys. Rev. B 91, 235442 (2015) (e-print arXiv:1504.05337)
R. Okuyama, M. Eto, and T. Brandes, “Lasing and antibunching of optical phonons in semiconductor double quantum dots”, New J. Phys. 15, 083032 (2013) (open access)
R. Okuyama, M. Eto, and T. Brandes, “Optical phonon lasing in semiconductor double quantum dots”, J. Phys. Soc. Jpn 82, 013704 (2013) (e-print arXiv:1205.6955)
Selected as JPSJ Papers of Editors’ Choice
Introduction by Y. Tokura: “Phonon Cavity Electrodynamics and Phonon Microlaser”, JPSJ News and Comments 10, 01 (2013)
R. Okuyama, M. Eto, and H. Hyuga, “Optical Aharonov-Bohm effect on Wigner molecules in type-II semiconductor quantum dots”, Phys. Rev. B 83, 195311 (2011) (e-print arXiv:1103.4921)
M. Eto and R. Okuyama, “Novel phonon generator and photon detector by single electron transport in quantum dots” in Quantum Hybrid Electronics and Materials, Eds., Y. Hirayama, K. Hirakawa, and H. Yamaguchi, pp. 235-256 (Springer, Singapore, 2022)
K. Kyhm, H. D. Kim, R. Okuyama, M. Eto, K. C. Je, R. A. Taylor, G. Nogues, L. S. Dang, A. A. L. Nicholet, M. Potemski, J. S. Kim, and J. D. Song, “Optical Aharonov-Bohm oscillations with disorder effects and Wigner molecule in a single GaAs/AlGaAs quantum ring”, Physics of Quantum Rings, Ed., V. M. Fomin, pp. 231-254 (Springer, Singapore, 2018)
R. Okuyama and M. Eto, “Optical phonon lasing in semiconductor double quantum dots”, Solid State Physics 48, 277 (Agne Gijutsu Center, Tokyo, 2013, in Japanese)
R. Okuyama, W. Izumida, and M. Eto, “Topology in single-wall carbon nanotube of zigzag and armchair type”, 28th International Conference on Low Temperature Physics, J. Phys.: Conf. Ser. 969, 012137 (2018)
R. Okuyama, M. Eto, and T. Brandes, “Optical phonon lasing and its detection in semiconductor double quantum dots”, 12th Asia Pacific Physics Conference, JPS Conf. Proc. 1, 012029 (2014)
R. Okuyama, M. Eto, and T. Brandes, “Phonon lasing in transport through double quantum dots”, 31st International Conference on the Physics of Semiconductors, AIP Conf. Proc. 1566, 259 (2013)
R. Okuyama, “Optical phonon lasing in double quantum dot fabricated in semiconductor substrate”, International Conference and Exhibition on Lasers, Optics and Photonics, J. Phys. Chem. Biophys. 3:5, 85 (2013)
R. Okuyama and M. Eto, “Superradiance in transport through ensemble of double quantum dots”, 26th International Conference on Low Temperature Physics, J. Phys.: Conf. Ser. 400, 042049 (2012)
J. Kushihara, R. Okuyama, and M. Eto, “Coherent and incoherent current drag in coupled quantum dots”, 26th International Conference on Low Temperature Physics, J. Phys.: Conf. Ser. 400, 042037 (2012)
R. Okuyama, M. Eto, and H. Hyuga, “Magnetoluminescence from trion and biexciton in type-II quantum dot”, 16th International Conference on Superlattices, Nanostructures and Nanodevices, Nano. Res. Lett. 6, 351 (2011)
R. Okuyama, M. Eto, and H. Hyuga, “Aharonov-Bohm effect on trion and biexciton in type-II semiconductor quantum dot”, 30th International Conference on the Physics of Semiconductors, AIP Conf. Proc. 1399, 415 (2011)