Basic Information

Email Address

• Email Address

  murotani.yuta.2fkyoto-u.ac.jp

Academic Degree

• 23 Mar. 2017

  東京大学修士（理学）
• 23 Mar. 2020

  東京大学博士（理学）

Academic Resume (Undergraduate School/Majors)

• 東京大学, 理学部物理学科, 卒業

Research History

• From Jun. 2026, To Present

  Kyoto University, Institute for Chemical Research, Associate Professor
• From Sep. 2023, To May 2026

  The University of Tokyo, The Institute for Solid State Physics, Research associate
• From Apr. 2020, To Aug. 2023

  The University of Tokyo, The Institute for Solid State Physics, Project researcher
• From Apr. 2018, To Mar. 2020

  The University of Tokyo, Graduate School of Science, Research Fellow of the Japan Society for the Promotion of Science

Language of Instruction

• English
• Japanese

ID,URL

• ORCID ID

  0000-0003-3071-6408

• J-Global ID

  202401019124144033

• Researcher number

  20990477

Website(s) (URL(s))

• https://nrid.nii.ac.jp/ja/nrid/1000020990477/
• https://scholar.google.com/citations?hl=ja&user=tcuXypQAAAAJ

researchmap URL

• https://researchmap.jp/yuta_murotani

Research

Research Topics, Overview of the research

• Research Topics

  Light-matter interaction in solids

• Overview of the research

  I am studying nonequilibrium phenomena and spin transport in solids using intense lasers and terahertz spectroscopy.

Papers

• Emergence of bistability and even-order harmonic generation in a centrosymmetric system under periodic driving

  Fumiya Sekiguchi; Yuta Murotani; Ryo Shimano

  Physical Review Research, 10 Jul. 2026

  
• Unified theory of the photovoltaic Hall effect by field- and light-induced Berry curvatures

  Yuta Murotani; Tomohiro Fujimoto; Ryusuke Matsunaga

  Physical Review B, 02 Mar. 2026

  
• Correction of broadband terahertz electro-optic sampling with GaSe crystals

  Kotaro Ogawa; Natsuki Kanda; Yuta Murotani; Shunsuke Tanaka; Jun Yoshinobu; Ryusuke Matsunaga

  Optics Letters, 01 Aug. 2025

  
• Light-induced inverse spin Hall effect and field-induced circular photogalvanic effect in GaAs revealed by two-dimensional terahertz Fourier analysis

  Tomohiro Fujimoto; Yuta Murotani; Tomohiro Tamaya; Takayuki Kurihara; Natsuki Kanda; Changsu Kim; Jun Yoshinobu; Hidefumi Akiyama; Takeo Kato; Ryusuke Matsunaga

  Physical Review B, 16 May 2025

  
• Valley polarization dynamics of photoinjected carriers at the band edge in room-temperature silicon studied by terahertz polarimetry

  Ami M. Shirai; Yuta Murotani; Tomohiro Fujimoto; Natsuki Kanda; Jun Yoshinobu; Ryusuke Matsunaga

  Physical Review B, 05 Mar. 2025

  
• Metallic crystals with a three-dimensional narrow band based on an aromatic hydrocarbon derivative

  Misako Ikeda; Yoshiki Sasaki; Yoshino Fujikawa; Shigeki Mori; Kensuke Konishi; Keishi Ohara; Haruhiko Dekura; Hiromichi Toyota; Masayoshi Takase; Ami Mi Shirai; Yuta Murotani; Ryusuke Matsunaga; Toshio Naito

  Journal of Materials Chemistry C, 2025

  
• Programmable generation of counterrotating bicircular light pulses in the multi-terahertz frequency range.

  Kotaro Ogawa; Natsuki Kanda; Yuta Murotani; Ryusuke Matsunaga

  Nature communications, 26 Jul. 2024

  
• Ultra-Broadband Detection of Coherent Infrared Pulses by Sum-Frequency Generation Spectroscopy in Reflection Geometry

  Risako Kameyama; Shunsuke Tanaka; Yuta Murotani; Takuya Matsuda; Natsuki Kanda; Ryusuke Matsunaga; Jun Yoshinobu

  Optics Letters, 24 Jun. 2024

  
• Time-domain characterization of electric field vector in multi-terahertz pulses using polarization-modulated electro-optic sampling

  Natsuki Kanda; Mayuri Nakagawa; Yuta Murotani; Ryusuke Matsunaga

  Optics Express, 15 Jan. 2024

  
• Anomalous Hall Transport by Optically Injected Isospin Degree of Freedom in Dirac Semimetal Thin Film

  Yuta Murotani; Natsuki Kanda; Tomohiro Fujimoto; Takuya Matsuda; Manik Goyal; Jun Yoshinobu; Yohei Kobayashi; Takashi Oka; Susanne Stemmer; Ryusuke Matsunaga

  Nano Letters, 10 Jan. 2024

  
• Observation of Terahertz Spin Hall Conductivity Spectrum in GaAs with Optical Spin Injection

  Tomohiro Fujimoto; Takayuki Kurihara; Yuta Murotani; Tomohiro Tamaya; Natsuki Kanda; Changsu Kim; Jun Yoshinobu; Hidefumi Akiyama; Takeo Kato; Ryusuke Matsunaga

  Physical Review Letters, 05 Jan. 2024

  
• Disentangling the Competing Mechanisms of Light-Induced Anomalous Hall Conductivity in Three-Dimensional Dirac Semimetal

  Yuta Murotani; Natsuki Kanda; Tomohiro Fujimoto; Takuya Matsuda; Manik Goyal; Jun Yoshinobu; Yohei Kobayashi; Takashi Oka; Susanne Stemmer; Ryusuke Matsunaga

  Physical Review Letters, 01 Sep. 2023

  
• Gapless detection of broadband terahertz pulses using a metal surface in air based on field-induced second-harmonic generation

  Shunsuke Tanaka; Yuta Murotani; Shunsuke A. Sato; Tomohiro Fujimoto; Takuya Matsuda; Natsuki Kanda; Ryusuke Matsunaga; Jun Yoshinobu

  Applied Physics Letters, 19 Jun. 2023

  
• Stimulated Rayleigh Scattering Enhanced by a Longitudinal Plasma Mode in a Periodically Driven Dirac Semimetal Cd3As2

  Yuta Murotani; Natsuki Kanda; Tatsuhiko N. Ikeda; Takuya Matsuda; Manik Goyal; Jun Yoshinobu; Yohei Kobayashi; Susanne Stemmer; Ryusuke Matsunaga

  Physical Review Letters, 11 Nov. 2022

  
• Tracking Ultrafast Change of Multiterahertz Broadband Response Functions in a Photoexcited Dirac Semimetal Cd3As2Thin Film

  Natsuki Kanda; Yuta Murotani; Takuya Matsuda; Manik Goyal; Salva Salmani-Rezaie; Jun Yoshinobu; Susanne Stemmer; Ryusuke Matsunaga

  Nano Letters, 23 Mar. 2022

  
• Light-Driven Electron-Hole Bardeen-Cooper-Schrieffer-Like State in Bulk GaAs

  Yuta Murotani; Changsu Kim; Hidefumi Akiyama; Loren N. Pfeiffer; Ken W. West; Ryo Shimano

  Physical Review Letters, 08 Nov. 2019

  
• Infrared Activation of the Higgs Mode by Supercurrent Injection in Superconducting NbN

  Sachiko Nakamura; Yudai Iida; Yuta Murotani; Ryusuke Matsunaga; Hirotaka Terai; Ryo Shimano

  Physical Review Letters, 25 Jun. 2019

  
• Nonlinear optical response of collective modes in multiband superconductors assisted by nonmagnetic impurities

  Yuta Murotani; Ryo Shimano

  Physical Review B, 17 Jun. 2019

  
• Terahertz field-induced ionization and perturbed free induction decay of excitons in bulk GaAs

  Yuta Murotani; Masayuki Takayama; Fumiya Sekiguchi; Changsu Kim; Hidefumi Akiyama; Ryo Shimano

  Journal of Physics D: Applied Physics, 21 Feb. 2018

  
• Theory of light-induced resonances with collective Higgs and Leggett modes in multiband superconductors

  Yuta Murotani; Naoto Tsuji; Hideo Aoki

  Physical Review B, 02 Mar. 2017

  

Misc.

• 光誘起異常ホール効果の機構解明とスピントロニクスへの適用

  室谷悠太; 藤本知宏; 松永隆佑

  固体物理 / アグネ技術センター [編], Jan. 2026, Peer-reviewed, Lead author

  
• 光誘起異常ホール効果を解き明かすテラヘルツ偏光計測

  室谷 悠太; 神田 夏輝; 松永 隆佑

  光アライアンス / 光アライアンス編集委員会 編, Feb. 2024

  
• ディラック半金属Cd₃As₂における赤外広帯域超高速応答とスローライト生成

  室谷 悠太; 神田 夏輝; 松永 隆佑

  固体物理 / アグネ技術センター [編], Sep. 2023

  
• 超伝導のヒッグスモード : 最近の研究から—Higgs mode in superconductors : recent progress—高強度テラヘルツ・赤外パルスが拓く非平衡物性特集号 ; テラヘルツパルスによる応答

  島野 亮; 室谷 悠太; 勝見 恒太

  固体物理 / アグネ技術センター [編], Nov. 2019

  
• テラヘルツパルスによる励起子のイオン化と自由誘導減衰

  室谷悠太; 高山正行; 関口文哉; KIM C.; 秋山英文; 島野亮; 島野亮

  日本物理学会講演概要集(CD-ROM), 2018

  

Awards

• 11 Nov. 2022

  Poster award（2nd International Symposium on Trans-Scale Quantum Science)
• 27 Jun. 2025

  Best Poster Presentation Award（The Low-Energy Electrodynamics in Solids 2025）
• 23 Mar. 2020

  2019年度理学系研究科研究奨励賞（東京大学大学院理学研究科）
• 25 Nov. 2021

  最優秀若手研究者賞（シンポジウム「テラヘルツ科学の最先端VIII」）