Publications

Preprint(s)

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• "Robust analytic continuation using sparse modeling approach imposed by semi-positive definiteness for multi-orbital systems"
  Y. Motoyama, H. Shinaoka, J. Otsuki, K. Yoshimi: arXiv:2409.01509
  
  
• "Compressed Sensing of Compton Profiles for Fermi Surface Reconstruction: Concept and Implementation"
  J. Otsuki, K. Yoshimi, Y. Nakanishi-Ohno, M. Sekania, L. Chioncel, M. Mizumaki: arXiv:2210.07701
  
  

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  2024

• "Multipolar ordering from dynamical mean field theory with application to CeB₆"
  J. Otsuki, K. Yoshimi, H. Shinaoka, H. O. Jeschke: Phys. Rev. B 110, 035104 (2024)
  
  
• "Spin-orbital ordering in alkali superoxides" Editors' Suggestion
  K. Shibata, M. Naka, H. O. Jeschke, J. Otsuki: Phys. Rev. B 109, 235115 (2024)
  
  

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  2023

• "Magnetic fluctuations in Pb₉Cu(PO₄)₆O"
  M. Shimizu, J. Otsuki, H. O. Jeschke: Phys. Rev. B 108, L201105 (2023)
  
  
• "Pressure evolution of electronic structure and magnetism in the layered van der Waals ferromagnet CrGeTe₃"
  H.-X. Xu, M. Shimizu, D. Guterding, J. Otsuki, H. O. Jeschke: Phys. Rev. B 108, 125142 (2023)
  
  

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  2022

• "sparse-ir: Optimal compression and sparse sampling of many-body propagators"
  M. Wallerberger, S. Badr, S. Hoshino, S. Huber, F. Kakizawa, T. Koretsune, Y. Nagai, K. Nogaki, T. Nomoto, H. Mori, J. Otsuki, S. Ozaki, T. Plaikner, R. Sakurai, C. Vogel, N. Witt, K. Yoshimi, H. Shinaoka: SoftwareX 21, 101266 (2023)
  
  
• "Efficient ab initio many-body calculations based on sparse modeling of Matsubara Green's function"
  H. Shinaoka, N. Chikano, E. Gull, J. Li, T. Nomoto, J. Otsuki, M. Wallerberger, T. Wang, K. Yoshimi: SciPost Phys. Lect. Notes 63 (2022)
  
  
• "Anomalously large spin-dependent electron correlation in the nearly half-metallic ferromagnet CoS₂"
  H. Fujiwara, K. Terashima, J. Otsuki, N. Takemori, H. O. Jeschke, T. Wakita, Y. Yano, W. Hosoda, N. Kataoka, A. Teruya, M. Kakihana, M. Hedo, T. Nakama, Y. Ōnuki, K. Yaji, A. Harasawa, K. Kuroda, S. Shin, K. Horiba, H. Kumigashira, Y. Muraoka, T. Yokoya: Phys. Rev. B 106, 085114 (2022)
  
  
• "Robust analytic continuation combining the advantages of the sparse modeling approach and the Padé approximation"
  Y. Motoyama, K. Yoshimi, J. Otsuki: Phys. Rev. B 105, 035139 (2022)
  
  

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  2021

• "DCore: Integrated DMFT software for correlated electrons"
  H. Shinaoka, J. Otsuki, M. Kawamura, N. Takemori, K. Yoshimi: SciPost Phys. 10, 117 (2021)
  
  

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  2020

• "Spectral properties of heterostructures containing half-metallic ferromagnets in the presence of local many-body correlations"
  A. Weh, J. Otsuki, H. Schnait, H. G. Evertz, U. Eckern, A. I. Lichtenstein, L. Chioncel: Phys. Rev. Research 2, 043263 (2020)
  
  
• "Efficient ab initio Migdal-Eliashberg calculation considering the retardation effect in phonon-mediated superconductors"
  T. Wang, T. Nomoto, Y. Nomura, H. Shinaoka, J. Otsuki, T. Koretsune, R. Arita: Phys. Rev. B 102, 134503 (2020)
  
  
• "Optical response in the excitonic insulating state: Variational cluster approach"
  H. Li, J. Otsuki, M. Naka, S. Ishihara: Phys. Rev. B 101, 125117 (2020)
  
  
• "Sparse sampling and tensor network representation of two-particle Green's functions"
  H. Shinaoka, D. Geffroy, M. Wallerberger, J. Otsuki, K. Yoshimi, E. Gull, J. Kuneš: SciPost Phys. 8, 012 (2020)
  
  
• "Sparse Modeling in Quantum Many-Body Problems" Invited Review Paper
  J. Otsuki, M. Ohzeki, H. Shinaoka, K. Yoshimi: J. Phys. Soc. Jpn. 89, 012001 (2020)
  
  

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  2019

• "SpM: Sparse modeling tool for analytic continuation of imaginary-time Green's function"
  K. Yoshimi, J. Otsuki, Y. Motoyama, M. Ohzeki, H. Shinaoka: Computer Phys. Commun. 244, 319-323 (2019)
  
  
• "irbasis: Open-source database and software for intermediate-representation basis functions of imaginary-time Green’s function"
  N. Chikano, K. Yoshimi, J. Otsuki, H. Shinaoka: Computer Phys. Commun. 240, 181-188 (2019)
  
  
• "Strong-coupling formula for momentum-dependent susceptibilities in dynamical mean-field theory"
  J. Otsuki, K. Yoshimi, H. Shinaoka, Y. Nomura: Phys. Rev. B 99, 165134 (2019)
  
  
• "CT-X: An efficient continuous-time quantum Monte Carlo impurity solver in the Kondo regime"
  C. Yue, Y. Wang, J. Otsuki, X. Dai: Computer Phys. Commun. 236, 135-152 (2019)
  
  

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  2018

• "Performance analysis of a physically constructed orthogonal representation of imaginary-time Green's function"
  N. Chikano, J. Otsuki, H. Shinaoka: Phys. Rev. B 98, 035104 (2018) [11 pages]
  
  
• "Overcomplete compact representation of two-particle Green's functions"
  H. Shinaoka, J. Otsuki, K. Haule, M. Wallerberger, E. Gull, K. Yoshimi, M. Ohzeki: Phys. Rev. B 97, 205111 (2018) [14 pages]
  
  

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  2017

• "Conservation in two-particle self-consistent extensions of dynamical mean-field theory"
  F. Krien, E. G. C. P. van Loon, H. Hafermann, J. Otsuki, M. I. Katsnelson, A. I. Lichtenstein: Phys. Rev. B 96, 075155 (2017) [17 pages]
  
  
• "Compressing Green's function using intermediate representation between imaginary-time and real-frequency domains"
  H. Shinaoka, J. Otsuki, M. Ohzeki, K. Yoshimi: Phys. Rev. B 96, 035147 (2017) [8 pages]
  
  
• "Sparse modeling approach to analytical continuation of imaginary-time quantum Monte Carlo data"
  J. Otsuki, M. Ohzeki, H. Shinaoka, K. Yoshimi: Phys. Rev. E 95, 061302(R) (2017) [6 pages]
  
  

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  2016

• "Distributed Hybridization Model for Quantum Critical Behavior in Magnetic Quasicrystals"
  J. Otsuki, H. Kusunose: J. Phys. Soc. Jpn. 85, 073712 (2016) [4 pages]
  
  

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  2015

• "Exact Dynamics of Charge Fluctuations in the Multichannel Interacting Resonant Level Model"
  A. Kiss, Y. Kuramoto, J. Otsuki: J. Phys. Soc. Jpn. 84, 104602 (2015) [9 pages]
  
  
• "Competing d-Wave and p-Wave Spin-Singlet Superconductivities in the Two-Dimensional Kondo Lattice"
  J. Otsuki: Phys. Rev. Lett. 115, 036404 (2015) [5 pages] (main) (supplement)
  
  

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  2014

• "Superconductivity, antiferromagnetism, and phase separation in the two-dimensional Hubbard model: A dual-fermion approach"
  J. Otsuki, H. Hafermann, A. I. Lichtenstein: Phys. Rev. B 90, 235132 (2014) [12 pages]
  
  

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  2013

• "Scaling Theory vs Exact Numerical Results for Spinless Resonant Level Model"
  A. Kiss, J. Otsuki, Y. Kuramoto: J. Phys. Soc. Jpn. 82 (2013) 124713 [8 pages]
  
  
• "Dynamical mean-field theory for quantum spin systems: Test of solutions for magnetically ordered states"
  J. Otsuki, Y. Kuramoto: Phys. Rev. B 88, 024427 (2013) [7 pages]
  
  
• "Numerical Solution of the t-J Model with Random Exchange Couplings in d=∞ Dimensions"
  J. Otsuki, D. Vollhardt: Phys. Rev. Lett. 110, 196407 (2013) [5 pages]
  
  
• "Charge order in Kondo lattice systems"
  R. Peters, S. Hoshino, N. Kawakami, J. Otsuki, Y. Kuramoto: Phys. Rev. B 87, 165133 (2013) [6 pages]
  
  
• "Scaling between periodic Anderson and Kondo lattice models"
  R. Dong, J. Otsuki, S. Y. Savrasov: Phys. Rev. B 87, 155106 (2013) [8 pages]
  
  
• "Resolution of Entropy $\ln\sqrt2$ by Ordering in Two-Channel Kondo Lattice"
  S. Hoshino, J. Otsuki, Y. Kuramoto: J. Phys. Soc. Jpn. 82 (2013) 044707 [9 pages]
  
  
• "Spin-boson coupling in continuous-time quantum Monte Carlo"
  J. Otsuki: Phys. Rev. B 87, 125102 (2013) [7 pages]
  
  

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  2012

• "Two-particle self-consistent approach to unconventional superconductivity"
  J. Otsuki: Phys. Rev. B 85, 104513 (2012) [7 pages]
  
  

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  2011

• "Diagonal Composite Order in a Two-Channel Kondo Lattice"
  S. Hoshino, J. Otsuki, Y. Kuramoto: Phys. Rev. Lett. 107, 247202 (2011) [5 pages]
  
  
• "Multiple Quantum Phase Transitions of Plutonium compounds"
  M. Matsumoto, Q. Yin, J. Otsuki, S. Y. Savrasov: Phys. Rev. B 84, 041105(R) (2011) [4 pages]
  
  
• "Microscopic Mechanism for Staggered Scalar Order in PrFe4P12"
  S. Hoshino, J. Otsuki, Y. Kuramoto: J. Phys. Soc. Jpn. 80 (2011) 033703 [4 pages]
  
  

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  2010

• "Effect of Disorder on Fermi surface in Heavy Electron Systems"
  J. Otsuki, H. Kusunose and Y. Kuramoto: J. Phys. Soc. Jpn. 79 (2010) 114709 [5 pages]
  
  
• "Magnetic quantum critical point and dimensionality trend in cerium-based heavy-fermion compounds"
  M. Matsumoto, M. J. Han, J. Otsuki, S. Y. Savrasov: Phys. Rev. B 82, 180515 (2010) [4 pages]
  
  
• "Electronic Order with Staggered Kondo and Crystalline Electric Field Singlets"
  S. Hoshino, J. Otsuki and Y. Kuramoto: J. Phys. Soc. Jpn. 79 (2010) 074720 [10 pages]
  
  
• "Itinerant Antiferromagnetism in Infinite Dimensional Kondo Lattice"
  S. Hoshino, J. Otsuki and Y. Kuramoto: Phys. Rev. B 81, 113108 (2010) [4 pages]
  
  

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  2009

• "First-Principles Simulations of Heavy Fermion Cerium Compounds Based on the Kondo Lattice"
  M. Matsumoto, M. J. Han, J. Otsuki and S. Y. Savrasov: Phys. Rev. Lett. 103, 096403 (2009) [4 pages]
  
  
• "Continuous-Time Quantum Monte Carlo Approach to Singlet-Triplet Kondo Systems"
  S. Hoshino, J. Otsuki and Y. Kuramoto: J. Phys. Soc. Jpn. 78 (2009) 074719 [9 pages]
  
  
• "The Kondo Lattice Model in Infinite Dimensions II. Static Susceptibilities and Phase Diagram"
  J. Otsuki, H. Kusunose and Y. Kuramoto: J. Phys. Soc. Jpn. 78 (2009) 034719 [9 pages]
  
  
• "Evolution of a Large Fermi Surface in the Kondo Lattice"
  J. Otsuki, H. Kusunose and Y. Kuramoto: Phys. Rev. Lett. 102 (2009) 017202 [4 pages]
  
  
• "The Kondo Lattice Model in Infinite Dimensions I. Formalism"
  J. Otsuki, H. Kusunose and Y. Kuramoto: J. Phys. Soc. Jpn. 78 (2009) 014702 [12 pages]
  
  

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  2008

• "Magnetic Excitations in Heavy Electron State of Filled Skutterudite Pr_xLa_1-xFe₄P₁₂ (x = 1.00 and 0.85)"
  K. Iwasa, L. Hao, T. Hasegawa, K. Horiuchi, Y. Murakami, J. Otsuki, Y. Kuramoto, M. Kohgi, K. Kuwahara, H. Sugawara, Y. Aoki and H. Sato: J. Phys. Soc. Jpn. 77 (2008) 063706 [4 pages]
  
  

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  2007

• "Continuous-Time Quantum Monte Carlo Method for the Coqblin-Schrieffer Model"
  J. Otsuki, H. Kusunose, P. Werner and Y. Kuramoto: J. Phys. Soc. Jpn. 76 (2007) 114707 [11 pages]
  
  
• "Excitonic Bound State in the Extended Anderson Model with c-f Coulomb Interaction"
  J. Otsuki: J. Phys. Soc. Jpn. 76 (2007) 064707 [14 pages]
  
  

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  2006

• "Extension of the Non-Crossing Approximation for the Anderson Model with Finite Coulomb Repulsion"
  J. Otsuki and Y. Kuramoto: J. Phys. Soc. Jpn. 75 (2006) 064707 [10 pages]
  
  

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  2005

• "Dynamics of the Singlet-Triplet System Coupled with Conduction Spins -- Application to Pr Skutterudites --"
  J. Otsuki, H. Kusunose and Y. Kuramoto: J. Phys. Soc. Jpn. 74 (2005) 2082--2089
  
  
• "Theory of Crystalline Electric Field and Kondo Effect in Pr Skutterudites"
  J. Otsuki, H. Kusunose and Y. Kuramoto: J. Phys. Soc. Jpn. 74 (2005) 200--208