ABOUT

detailed CV

Current Affiliation

Department of Quantum Materials (Prof. Dr. Hidenori Takagi),

Max Planck Institute for Solid State Research (MPI-FKF), Stuttgart, Germany.

Research Interests

Strongly correlated electron systems
Low temperature physics
Frustrated magnetism
Heavy fermions

Experimental Techniques / Experiences

Bulk thermodynamic measurements @ very low temperatures

specific heat, magnetization (Faraday method, SQUID down to 20 mK), thermal expansion, magnetostriction, dielectric constant

Electrical / thermal transports @ very low temperatures
Design / construction / setting up of cryostats

3He/4He dilution refrigerators, Cu nuclear demagnetization refrigerator

Design and construction of superconducting magnets

superconducting shield magnets, active shield magnets, gradient magnets, superconducting heat switches, persistent switches

Design and construction of thermometers

resistance thermometers, 3He melting curve thermometers, Pt pulsed NMR thermometer, SQUID CMN thermometer

Key Publications

Yosuke Matsumoto and Satoru Nakatsuji, "Relaxation calorimetry at very low temperatures for systems with internal relaxation", Review of Scientific Instruments 89, 033908 (2018). Editor's Picks
Kentaro Kuga, Yosuke Matsumoto, Mario Okawa, Shintaro Suzuki, Takahiro Tomita, Keita Sone, Yasuyuki Shimura, Toshiro Sakakibara, Daisuke Nishio-Hamane, Yoshitomo Karaki, Yasutaka Takata, Masaharu Matsunami, Ritsuko Eguchi, Munetaka Taguchi, Ashish Chainani, Shik Shin, Kenji Tamasaku, Yoshinori Nishino, Makina Yabashi, Tetsuya Ishikawa, Satoru Nakatsuji, "Quantum valence criticality in a correlated metal", Science Advances 4, eaao3547 (2018).
K. Kitagawa, T. Takayama, Y. Matsumoto, A. Kato, R. Takano, Y. Kishimoto, S. Bette, R. Dinnebier, G. Jackeli, & H. Takagi, "A spin–orbital-entangled quantum liquid on a honeycomb lattice", Nature 554, 341–345 (2018).
Masaki Tsujimoto, Yosuke Matsumoto, Takahiro Tomita, Akito Sakai, and Satoru Nakatsuji, “Heavy Fermion Superconductivity in the Quadrupole Ordered State of PrV2Al20”, Physcial Review Letters 113, 267001 (1-5) (2014).
Yosuke Matsumoto, Kentaro Kuga, Takahiro Tomita, Yoshitomo Karaki and Satoru Nakatsuji, “Anisotropic heavy Fermi-liquid formation in the valence fluctuating α-YbAlB4”, Phys. Rev. B 84, 125126 (1-7) (2011).
Yosuke Matsumoto, Satoru Nakatsuji, Kentaro Kuga, Yoshitomo Karaki, Naoki Horie, Yasuyuki Shimura, Toshiro Sakakibara, Andriy H. Nevidomskyy, Piers Coleman, “Quantum Criticality Without Tuning in the Mixed Valence Compound β-YbAlB4”, Science 331, 316-319 (2011).
Y. Matsumoto, D. Tsuji, S. Murakawa, H. Akisato, H. Kambara, and Hiroshi Fukuyama, “Heat capacities of the anomalous fluid phase in two-dimensional 3He”, J. Low Temp. Phys. 138, 271-276 (2005).

Work Experience

Sep/2016 - :

Scientist, MPI-FKF (Takagi group)

Mar/2007 - Aug/2016 :

Research Associate/Assistant Professor, ISSP, The University of Tokyo (Nakatsuji group)

Apr/2005 - Feb/2007:

ISSP Research Fellow, ISSP, The University of Tokyo (Ishimoto group)

Apr/2004 - Mar/2005:

JSPS Postdoctoral Fellow, Department of Physics, Graduate School of Science, The University of Tokyo (Fukuyama group).

Education and Degrees

Mar/2004 : Ph.D., Department of Physics, Graduate School of Science, The University of Tokyo.

Thesis title: “Heat Capacity Studies of Strong Correlation Effects in Two-dimensional 3He” (in Japanese)
Supervisor: Prof. Hiroshi Fukuyama

Mar/2001 : Master, Department of Physics, Graduate School of Science, The University of Tokyo.
Mar/1999 : Bachelor, Department of Physics, Faculty of Science, The University of Tokyo.