[1]. Theory of Magnetoacoustic Resonance to Probe Multipole Effects Due to a Crystal Field Quartet
Journal of the Physical Society of Japan 93/ - 114701 (2024) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikito Koga, Masashige Matsumoto
[2]. Theory of Spin-Acoustic Resonance for Spin-3/2 Si Vacancy with C3v Site Symmetry in Silicon Carbide
Journal of the Physical Society of Japan 93/1 - 014703 (2023) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikito Koga, Masashige Matsumoto [DOI]
[3]. Theory of Field-Angle-Resolved Magnetoacoustic Resonance in Spin-Triplet Systems for Application to Nitrogen-Vacancy Centers in Diamond
Journal of the Physical Society of Japan 91/9 - 094709 (2022) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikito Koga, Masashige Matsumoto [DOI]
[4]. Magnetoacoustic Resonance to Probe Quadrupole-Strain Coupling in a Diamond Nitrogen-Vacancy Center as a Spin-Triplet System
Journal of the Physical Society of Japan 89/11 113701/1-5 (2020) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikito Koga, Masashige Matsumoto [DOI]
[5]. Analysis of Magnetoacoustic Quadrupole Resonance and Application to Probe Quadrupole Degrees of Freedom in Quantum Magnets
Journal of the Physical Society of Japan 89/8 084702/1-13 (2020) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Masashige Matsumoto, Mikito Koga [DOI]
[6]. Anisotropic Magnetic Field Dependence of Specific Heat in the Cubic Symmetric Quadrupolar Kondo Compound Pr0.05La0.95Pb3
Journal of the Physical Society of Japan 89/6 063704/1-5 (2020) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Tatsuya Kawae, Mikito Koga, Yoshiaki Sato, Yuji Inagaki, Tetsuya Fujiwara, Hiroyuki S. Suzuki, Tetsuo Kitai [DOI]
[7]. Theoretical Study of Magnetoelectric Effects in Honeycomb Antiferromagnet Co4Nb2O9
JPS Conference Proceedings 30/ 011188/1-6 (2020) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Masashige Matsumoto, Mikito Koga [DOI]
[8]. Theory of Photon-Assisted Magnetoacoustic Resonance as a New Probe of Quadrupole Dynamics
Journal of the Physical Society of Japan 89/2 024701/1-10 (2019) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikito Koga, Masashige Matsumoto [DOI]
[9]. Symmetry Analysis of Magnetoelectric Effects in Honeycomb Antiferromagnet Co4Nb2O9
Journal of the Physical Society of Japan 88/9 094704/1-15 (2019) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Masashige Matsumoto, Mikito Koga [DOI]
[10]. Roles of Quadrupoles in Non-Fermi Liquid Physics for Crystal Field Triplets
Journal of the Physical Society of Japan 88/3 034713/1-8 (2019) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikito Koga, Masashige Matsumoto [DOI]
[11]. Spin and charge controlled by antisymmetric spin-orbit coupling in a triangular-triple-quantum-dot Kondo system
Physica B 536/ 226-229 (2017) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] M. Koga, M. Matsumoto, H. Kusunose [DOI]
[12]. Antisymmetric Spin-Orbit Coupling Effect on Kondo-Induced Electric Polarization in a Triangular Triple Quantum Dot
Journal of Physical Society of Japan 86/5 054703/1-10 (2017) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[13]. Symmetry Analysis of Spin-Dependent Electric Dipole and Its Application to Magnetoelectric Effects
Journal of the Physical Society of Japan 86/3 034704/1- 25 (2017) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Kosuke Chimata,Mikito Koga
[14]. SU(2)-SU(4) Kondo Crossover and Emergent Electric Polarization in a Triangular Triple Quantum Dot
Journal of the Physical Society of Japan 85/6 063702/1-5 (2016) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[15]. Kondo-induced electric polarization modulated by magnetic flux through a triangular triple quantum dot
Journal of Physics: Conference Series 592/ 012142/1-6 (2015) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[16]. Magnetic Flux Effect on Kondo-Induced Electric Polarization in a Triangular Triple Quantum Dot
Journal of the Physical Society of Japan 83/8 084707/1-5 (2014) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[17]. Non-Fermi Liquid Behavior in Nonlinear Susceptibility in Pr0.05La0.95Pb3
JPS Conference Proceedings 3/ 012030/1-6 (2014) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Tatsuya Kawae [共著者]Mikito Koga,Ypshiaki Sato,Shun Makiyama,Yuji Inagaki,Naoyuki Tateiwa
[18]. Triangular Triple Quantum Dot: A Multiferroic Kondo System
JPS Conference Proceedngs 3/ 012020/1-6 (2014) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[19]. Field-Controlled Spin and Charge Distribution in Kondo System with a Triangular Triple Quantum Dot
Journal of the Physical Society of Japan 82/9 093706/1-4 (2013) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[20]. Magnetic-field-induced odd-frequency superconductivity in s-wave superconductors
Journal of the Korean Physical Society 63/ 456-458 (2013) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga,Hiroaki Kusunose
[21]. Nonlinear Susceptibility Measurement for Quadrupolar Response in a Dilute Γ3 Non-Kramers Doublet System Pr0.05La0.95Pb3
Journal of the Physical Society of Japan 82/7 073701/1-4 (2013) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Tatsuya Kawae [共著者]Mikito Koga,Yoshiaki Sato,Shun Makiyama,Yuji Inagaki,Naoyuki Tateiwa
[22].
48/ 227-236 (2013) [Refereed] non-refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]古賀 幹人 [共著者]松本正茂,楠瀬博明
[23]. Emergent Odd-Frequency Superconducting Order Parameter near Boundaries in Unconventional Superconductors
Journal of the Physical Society of Japan 82/3 034708/1-15 (2013) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga,Hiroaki Kusunose
[24]. Emergent Electric Polarization by Kondo Effect in a Triangular Triple Quantum Dot
Journal of the Physical Society of Japan 81/12 123703/1-4 (2012) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[25]. Strong-coupling superconductivity with mixed even- and odd-frequency pairing
Physical Review B 85/ 174528/1-11 (2012) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Hiroaki Kusunose [共著者]Masashige Matsumoto,Mikito Koga
[26]. Coexistence of Even- and Odd-Frequency Superconductivities Under Broken Time-Reversal Symmetry
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 81/3 033702/1-4 (2012) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga,Hiroaki Kusunose
[27]. Effect of impurities with singlet-triplet configuration on enhancement of transition temperature in multiband superconductors
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 80/ SA139/1-3 (2011) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[28]. Effects of Impurities with Singlet-Triplet Configuration on Multiband Superconductors
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 80/6 064708/1-10 (2011) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[29]. Effect of Impurities with Internal Structure on Multiband Superconductors -Possible Enhancement of Transition Temperature-
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 79/ 094704 (14 pages)- (2010) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroaki Kusunose
[30]. Effect of Antiferro-Quadrupole Fluctuations on Thermodynamic Quantities in PrOs4Sb12
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 78/ 094713 (8 pages)- (2009) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Hiroaki Kusunose [共著者]Masashige Matsumoto,Mikito Koga
[31].
64/9 715-715 (2009) [Refereed] non-refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[32]. Single Impurity Effects in Multiband Superconductors with different Sign Order Parameters
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 78/ 084718 (11 pages)- (2009) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga,Hiroaki Kusunose
[33].
64/3 222-222 (2009) [Refereed] non-refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[34]. Theory of Magnetic Excitations and Electron Spin Resonance for Anisotropic Spin Dimer Systems
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 77/ 074712 (13 pages)- (2008) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Takayuki Shoji,Mikito Koga
[35]. Kondo Hamiltonian for a triplet impurity as a bridge between Fermi and non-Fermi-liquid physics
PHYSICAL REVIEW B 77/ 094411 (6 pages)- (2008) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto
[36]. Enhancement of a Scalar Type of Multipole Due to Multiorbital Kondo Effect
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 76/ 074714 (6 pages)- (2007) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto
[37]. Longitudinal Spin-Wave Mode Near Quantum Critical Point Due to UniaxialAnisotropy
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 76/ 073709 (4 pages)- (2007) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga
[38]. Theory of excitation modes in diamond chain compound Cu3(CO3)2(OH)2
PHYSICA B 378-380/ 1037-1038 (2006) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Tsutoshi Yamada,Mikito Koga,Kiyomi Okamoto,Toru Sakai
[39]. Th crystal-field effect in superconductor PrOs4Sb12
PHYSICA B 378-380/ 255-256 (2006) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto
[40]. Roles of Multipoles and Excitons in Superconductor PrOs4Sb12 with Th Symmetry
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 75/ 014709 (20 pages)- (2006) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto,Hiroyuki Shiba
[41]. Exciton-Mediated Triplet Superconductivity in Th System PrOs4Sb12
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 74/ 1686-1689 (2005) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga
[42]. Ground-State Phase Diagram of the S=1/2 Distorted Diamond Type Spin Chain withFerromagnetic Interactions
PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT 159/ 17-21 (2005) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Kiyomi Okamoto [共著者]Takashi Tonegawa,Tsutoshi Yamada,Masashige Matsumoto,Mikito Koga,Toru Sakai
[43]. Superconductivity Mediated by Spin Dimer Singlet-Triplet Excitation
PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT 159/ 371-375 (2005) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga
[44]. Crystal-Field Excitations, Magnetic-Field-Induced Phase Transition and Neutron-Scattering Spectra in PrOs4Sb12
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 73/ 3453-3461 (2004) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Ryousuke Shiina [共著者]Masashige Matsumoto,Mikito Koga
[45]. Exiton Mediated Superconductivity in PrOs4Sb12
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 73/ 1135-1138 (2004) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga
[46]. Magnetization in Ferromagnetic Superconductors
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 72/ 2578-2588 (2003) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikito Koga
[47]. Theory of Kondo Effect in Spin Triplet Superconductors
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY 3/ 202-205 (2002) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto
[48]. Nonvanishing Local Moment in Triplet Superconductors
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 71/ 943-947 (2002) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto
[49]. Spin and orbital effects of Cooper pairs coupled to a single magnetic impurity
PHYSICAL REVIEW B 65/ 094434(1-7) (2002) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto
[50]. Competition between Triplet Superconductivity and Kondo Effect
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 71/ 225-227 (2002) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Mikito Koga [共著者]Masashige Matsumoto
[51]. Kondo Effect in Unconventional Superconductors
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 71/ 231-233 (2002) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga
[52]. Orbital effect of Cooper pairs on the Kondo effect in unconventional suerconductors
PHYSICAL REVIEW B 65/ 024508(1-10) (2001) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga
[53]. Numerical Renormalization Group Study of Kondo Effect in Unconventional Superconductors
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 70/ 2860-2863 (2001) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Masashige Matsumoto [共著者]Mikito Koga |