Keio University

Faculty of Science and Technology

Department of Physics

3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
FAX: +81-45-566-1672

Eto, Mikio

Office: Bldg 22, Room 208A

Phone: ext. 47823 / +81-45-566-1676 (direct dialing)

e-mail: "rk.phys.keio.ac.jp" after "eto@".

1. Solid state physics, Material science
2. Theoretical studies of mesoscopic physics, nano-physics
3. Electronic states, transport properties and Kondo effect in quantum dots

• Kondo effect in quantum dots
• Y. Zhang, R. Sakano, and M. Eto, "Kondo Effect and Phase Measurement in Double Quantum Dot in Parallel," Journal of the Physical Society of Japan 91, 014703 (2022); OPEN ACCESS.
• M. Eto and R. Sakano, "Fano-Kondo resonance versus Kondo plateau in an Aharonov-Bohm ring with an embedded quantum dot," Physical Review B 102, 245402 (2020); OPEN ACCESS.
• R. Yoshii and M. Eto, "Scaling analysis of Kondo screening cloud in a mesoscopic ring with an embedded quantum dot," Physical Review B 83, 165310 (2011).
• R. Yoshii and M. Eto, "Scaling Analysis for Kondo Effect in Quantum Dot Embedded in Aharonov-Bohm Ring," Journal of the Physical Society of Japan 77, 123714/1-4 (2008).
• D. Matsubayashi and M. Eto, "Spin splitting and Kondo effect in quantum dots coupled to noncollinear ferromagnetic leads," Phys. Rev. B 75, 165319/1-12 (2007).
• T. Sato and M. Eto, "Numerical Renormalization Group Studies of SU(4) Kondo Effect in Quantum Dots," Physica E 29, 652-655 (2005).
• M. Eto, "Enhancement of Kondo Effect in Multilevel Quantum Dots," Journal of the Physical Society of Japan 74, 95-102 (2005), "Kondo effect--40 years after the discovery".
• S. Sasaki, S. Amaha, N. Asakawa, M. Eto and S. Tarucha, "Enhanced Kondo effect via tuned orbital degeneracy in a spin 1/2 artificial atom," Physical Review Letters 93, 017205 (2004).
• M. Eto and Yu. V. Nazarov, "Enhancement of Kondo effect in quantum dots with an even number of electrons," Physical Review Letters 85, 1306 (2000).
• S. Sasaki, S. De Franceschi, J. M. Elzerman, W. G. van der Wiel, M. Eto, S. Tarucha, L. P. Kouwenhoven, "Kondo effect in an integer-spin quantum dot," Nature 405, 764 (2000).
• Topological properties of carbon nanotube
• R. Okuyama, W. Izumida, and M. Eto, "Topological classification of the single-wall carbon nanotube," Physical Review B 99, 115409/1-10 (2019).
• R. Okuyama, W. Izumida, and M. Eto, "Topological Phase Transition in Metallic Single-Wall Carbon Nanotube", Journal of the Physical Society of Japan 86, 013702/1-4 (2017); OPEN ACCESS.
• Spin-orbit interaction in semiconductors, Spin injection using semiconductors nano-structures
• S. Souma, A. Sawada, H. Chen, Y. Sekine, M. Eto, and T. Koga, "Spin Blocker Using the Interband Rashba Effect in Symmetric Double Quantum Wells," Physical Review Applied 4, 034010 (2015).
• T. Yokoyama, M. Eto, and Yu. V. Nazarov, "Anomalous Josephson effect by spin-orbit interaction and Zeeman effect in semiconductor nanowires," Physical Review B 89, 195407 (2014): in collaboration with Delft University of Technology, the Netherlands.
• T. Yokoyama, M. Eto, and Yu. V. Nazarov, "Josephson Current through Semiconductor Nanowire with Spin-Orbit Interaction in Magnetic Field," Journal of the Physical Society of Japan 82, 054703 (2013).
• T. Yokoyama and M. Eto, "Generation of spin-polarized current using multiterminal quantum dot with spin-orbit interaction," Physical Review B 86, 205305 (2012).
• M. Eto and T. Yokoyama, "Quantum Dot Spin Filter in Resonant Tunneling and Kondo Regimes," Journal of the Physical Society of Japan 79, 123711 (2010).
• T. Yokoyama and M. Eto, "Enhanced spin Hall effect by tuning antidot potential: Proposal for a spin filter," Physical Review B 80, 125311 (2009).
• M. Eto and and T. Yokoyama, "Enhanced spin Hall effect in semiconductor heterostructures with artificial potential," Journal of the Physical Society of Japan 78, 073710 (2009).
• M. Eto, T. Hayashi and Y. Kurotani, "Spin Polarization at Semiconductor Point Contacts in Absence of Magnetic Field," Journal of the Physical Society of Japan 74, 1934 (2005); Paper of "Editors' Choice".
• Electron-phonon interaction in quantum dots, Optical phonon lasing
• R. Okuyama, M. Eto, and T. Brandes, "Lasing and antibunching of optical phonons in semiconductor double quantum dots," New Journal of Physics 15, 083032 (2013)
• R. Okuyama, M. Eto, and T. Brandes, "Optical Phonon Lasing in Semiconductor Double Quantum Dots," Journal of the Physical Society of Japan 82, 013704 (2013); Paper of "Editors' Choice".
• A. Ueda, O. Entin-Wohlman, M. Eto, and A. Aharony, "Phonon Spectroscopy by Electric Measurements of Coupled Quantum Dots," Physical Review 82, 245317 (2010): in collaboration with Ben Grion University, Israel.
• A. Ueda and M. Eto, "Nonequilibrium transport through coupled quantum dots with electron-phonon interaction," New Journal of Physics 9, 119/1-14 (2007).
• A. Ueda and M. Eto, "Resonant tunneling and Fano resonance in quantum dots with electron-phonon interaction," Physical Review B 73, 235353/1-12 (2006).
• A. Ueda, I. Baba, K. Suzuki and M. Eto, "Numerical Studies of Fano Resonance in Quantum dots Embedded in AB Rings," Journal of the Physical Society of Japan 72, Supplement A, 157-158 (2003).
• T. Tasai and M. Eto, "Effects of Polaron Formation in Semiconductor Quantum Dots on Transport Properties," Journal of the Physical Society of Japan 72, 1495 (2003).
• Entanglement between electron and nuclear spins in Si:P
• H. Morishita, L. S. Vlasenko, H.Tanaka, K. Semba, K. Sawano, Y. Shiraki, M. Eto, and K. M. Itoh, "Electrical Detection and Magnetic-Field Control of Spin States in Phosphorus-Doped Silicon," Physical Review B 80, 205206 (2009), in collaboration with Prof. K. M. Itoh, Keio University.
• Optical Aharonov-Bohm effect in type-II quantum dots and quantum rings
• 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 Aharhonov-Bohm Oscillations with Disorder Effects and Wigner Molecule in a Single GaAs/AlGaAs Quantum Ring," in "Physics of Quantum Rings," ed. V. M. Fomin (2nd ed., Springer, 2018), pp.231-254.
• 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 Aharhonov-Bohm Oscillations in a Single Quantum Ring," NANO Letters 18, 6188 (2018).
• H. D. Kim, R. Okuyama, K. Kyhm, M. Eto, R. A. Taylor, A. L. Nicolet, M. Potemski, G. Nogues, L. S. Dang, K. Je, J. Kim, J. 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 Letters 16, 27 (2016).
• R. Okuyama, M. Eto, and H. Hyuga, "Optical Aharonov-Bohm Effect on Wigner Molecules in Type-II Semiconductor Quantum Dots," Physical Review B 83, 195311 (2011).
• S. Miyamoto, O. Moutanabbir, T. Ishikawa, M. Eto, E. E. Haller, K. Sawano, Y. Shiraki, and K. M. Itoh, "Excitonic Aharonov-Bohm effect in isotopically pure $^{70}$Ge/Si self-assembled type-II quantum dots," Physical Review B 82, 073306 (2010), in collaboration with Prof. K. M. Itoh, Keio University.
• Electronic states and Kondo effect in silicon quantum dots
• M. Eto and Y. Hada, "Kondo Effect in Silicon Quantum Dots with Valley Degeneracy," 24th Int. Conf. on Low Temperature Physics (Florida, USA, 2005).
• Y. Hada and M. Eto, "Exchange Coupling in Silicon Double Quantum Dots," Japanese Journal of Applied Physics 43, 7329-7336 (2004).
• Y. Hada and M. Eto, "Electronic States in Silicon Quantum Dots: Multivalley Artificial Atoms," Physical Review B 68, 155322 (2003).
• Entanglement of nuclear spins in quantum dots by hyperfine interaction
• M. Eto, T. Ashiwa and M. Murata, "Current-induced entanglement of nuclear spins in quantum dots," Journal of the Physical Society of Japan 73, 307 (2004).
This paper was selected in "Papers of Editors' Choice" of the journal.
• Conductance quantization in quantum point contacts of magnetic metals
• K. Ueno and M. Eto, "Mean-Field Calculations of Transport Properties through Magnetic Point Contacts," Journal of the Physical Society of Japan 72, 1501 (2003).
• K. Ueno, M. Eto and K. Kawamura, "Transport Properties through Atomic-Size Point Contacts of Multi-Band Metals," Journal of the Physical Society of Japan 71, 860-866 (2002).
• Electronic states and Kondo effect in coupled quantum dots
• T. Aono and M. Eto, "Kondo Effect in Coupled Quantum Dots under Magnetic Fields," Physical Review B 64, 73307/1-4 (2001).
• T. Aono and M. Eto, "Kondo Resonant Spectra in Coupled Quantum Dots," Phys. Rev. B 63, 125327/1-11 (2001).
• T. Aono M. Eto and K. Kawamura, "Conductance through Quantum Dot Dimer Below the Kondo Temperature," Journal of the Physical Society of Japan 67, 1860-1863 (1998).
• Many-body electronic states and transport properties in semiconductor quantum dots
• M. Eto, "Electronic States and Transport Phenomena in Quantum Dot Systems," Japanese Journal of Applied Physics, 40, 1929 (2001).
• L. P. Kouwenhoven, T. H. Oosterkamp, M. W. S. Danoesastro, M. Eto, D. G. Austing, T. Honda and S. Tarucha, "Excitation Spectra of Circular, Few-Electron Quantum Dots," Science 278, 1788 (1997).
• Shot-noise calculation in array of quantum dots
• M. Eto, "Nonequilibrium Transport Properties through Parallel Quantum Dots," Japanese Journal of Applied Physics 36, 4004-4007 (1997).
• M. Eto, "Nonequilibrium Transport Properties in One-Dimensional Array of Quantum Dots," Journal of the Physical Society of Japan 65, 2952-2962 (1996).