Research field (2)：
Semiconductors, optical and atomic physics
, Magnetism, superconductivity, and strongly correlated systems
Research keywords (8)：
thermal transport
, specific heat
, superfluidity
, helium
, low temperature
, terahertz
, Higgs mode
, superconductor
Research theme for competitive and other funds (4)：
2021 - 2026 Dynamics of nanoscale magnetic structures in superconductors handled by strong sub-terahertz pulses
2020 - 2022 Observation of nonreciprocal charge transport phenomena caused by current-induced breaking of the time-reversal and space-inversion symmetries
2018 - 2020 Establishment and application of a current-inducing method to observe superconducting Higgs modes
2015 - 2019 Magnetism and Superfluidity in Charge-Neutral Fermi Particles in Two Dimensions
Papers (14)：
Sachiko Nakamura, Ryo Shimano. Superconducting Vortex Mass Measurements using High-Intensity Terahertz Pulses. kotai butsuri. 2024. 59. 12. 773-784
Sachiko Nakamura, Haruki Matsumoto, Hiroki Ogawa, Tomoki Kobayashi, Fuyuki Nabeshima, Atsutaka Maeda, Ryo Shimano. Picosecond Trajectory of Two-Dimensional Vortex Motion in FeSe0.5Te0.5 Visualized by Terahertz Second Harmonic Generation. Physical Review Letters. 2024. 133. 036004
Jun Usami, Ryo Toda, Sachiko Nakamura, Tomohiro Matsui, Hiroshi Fukuyama. A Simple Experimental Setup for Simultaneous Superfluid-Response and Heat-Capacity Measurements for Helium in Confined Geometries. Journal of Low Temperature Physics. 2022
Sachiko Nakamura, Takenori Fujii, Ryo Toda. Thin film metal chip resistor as a small electrical heater for low temperature experiments. Annual Report 2016 Cryogenic Research Center, the University of Tokyo. 2017. 130-133
Sachiko Nakamura, Takenori Fujii, Soichiro Teraoka, Ryo Toda. Performance evaluation of various gloves to handle things with liquid nitrogen. Annual Report 2015 Cryogenic Research Center, the University of Tokyo. 2016. 126-129
Lectures and oral presentations (76)：
Terahertz Nonlinear Spectroscopy of Superconducting Vortex Dynamics
(ISSP Workshop TOPONL2025)
Measurements of superconducting vortex mass using THz-SHG
(KUJI QMAT Seminar #54 2025)
2015/04 - 2022/10 Cryogenic Research Center, the University of Tokyo editorial committee of annual report
2018/03 - 2018/07 QFS2018 (International Symposium of Quantum Fluids and Solids) Local Organizing Committee
Awards (3)：
2025/01 - The Physical Society of Japan The 6th Fumiko Yonezawa Memorial Award Novel Superconducting Dynamics Studied by Nonlinear Terahertz Spectroscopy
2017/08 - LT28 poster award committee Best Poster Award "Order-Disorder Transition in 2D Quantum Systems and Its Doping Effects"
