Theory of Seebeck Ratchet in a Noncentrosymmetric Electron-Phonon Coupled System
Yugo Onishi, Hiroki Isobe, Naoto Nagaosa, "Theory of Seebeck Ratchet in a Noncentrosymmetric Electron-Phonon Coupled System." Physical Review B, 2021.
CV
Education
- B.E. in Applied Physics, University of Tokyo, 2020
- M.E. in Applied Physics, University of Tokyo, 2022
- PhD Student at Physics Department, Massachusetts Institute of Technology (current)
- Current supervisor: Professor Liang Fu
Research experience
- April, 2019 - March, 2020: Graduate thesis study
- University of Tokyo
- Graduate thesis theme:
- Supervisor: Professor Takasada Shibauchi, Professor Kenichiro Hashimoto
- April, 2020 - March, 2022: Graduate Student (Master course)
- University of Tokyo
- Supervisor: Professor Naoto Nagaosa
- April, 2022 - September, 2022: Graduate Student (Doctral course)
- University of Tokyo
- Supervisor: Professor Takahiro Morimoto
- September, 2022 - Present: Graduate Student (PhD)
- Massachusetts Institute of Technology
- Supervisor: Professor Liang Fu
Publications
High-Pressure Phase Diagrams of FeSe1-xTex: Correlation between Suppressed Nematicity and Enhanced Superconductivity
K. Mukasa, K. Matsuura, M. Qiu, M. Saito, Y. Sugimura, K. Ishida, M. Otani, Y. Onishi, Y. Mizukami, K. Hashimoto, J. Gouchi, R. Kumai, Y. Uwatoko, T. Shibauchi, "High-Pressure Phase Diagrams of FeSe1-xTex: Correlation between Suppressed Nematicity and Enhanced Superconductivity." Nature Communications, 2021.
Pure Nematic Quantum Critical Point Accompanied by a Superconducting Dome
Kousuke Ishida, Yugo Onishi, Masaya Tsujii, Kiyotaka Mukasa, Mingwei Qiu, Mikihiko Saito, Yuichi Sugimura, Kohei Matsuura, Yuta Mizukami, Kenichiro Hashimoto, Takasada Shibauchi, "Pure Nematic Quantum Critical Point Accompanied by a Superconducting Dome." Proceedings of the National Academy of Sciences, 2022.
Theory of Shift Heat Current and Its Application to Electron-Phonon Coupled Systems
Yugo Onishi, Takahiro Morimoto, Naoto Nagaosa, "Theory of Shift Heat Current and Its Application to Electron-Phonon Coupled Systems." Physical Review B, 2022.
Effects of Relaxation on the Photovoltaic Effect and Possibility for Photocurrent within the Transparent Region
Yugo Onishi, Hikaru Watanabe, Takahiro Morimoto, Naoto Nagaosa, "Effects of Relaxation on the Photovoltaic Effect and Possibility for Photocurrent within the Transparent Region." Physical Review B, 2022.
Quantum Metric Nonlinear Hall Effect in a Topological Antiferromagnetic Heterostructure
Anyuan Gao, Yu-Fei Liu, Jian-Xiang Qiu, Barun Ghosh, Tha{\'i}s V., Yugo Onishi, Chaowei Hu, Tiema Qian, Hung-Ju Tien, Shao-Wen Chen, Mengqi Huang, Damien B{\'e}rub{\'e}, Houchen Li, Christian Tzschaschel, Thao Dinh, Zhe Sun, Sheng-Chin Ho, Shang-Wei Lien, Bahadur Singh, Kenji Watanabe, Takashi Taniguchi, David Bell, Hsin Lin, Tay-Rong Chang, Chunhui Du, Arun Bansil, Liang Fu, Ni Ni, Peter Orth, Qiong Ma, Su-Yang Xu, "Quantum Metric Nonlinear Hall Effect in a Topological Antiferromagnetic Heterostructure." Science, 2023.
Fundamental Bound on Topological Gap
Yugo Onishi, Liang Fu, "Fundamental Bound on Topological Gap." Physical Review X, 2024.
High-Efficiency Energy Harvesting Based on a Nonlinear Hall Rectifier
Yugo Onishi, Liang Fu, "High-Efficiency Energy Harvesting Based on a Nonlinear Hall Rectifier." Physical Review B, 2024.
An Antiferromagnetic Diode Effect in Even-Layered MnBi2Te4
Anyuan Gao, Shao-Wen Chen, Barun Ghosh, Jian-Xiang Qiu, Yu-Fei Liu, Yugo Onishi, Chaowei Hu, Tiema Qian, Damien B{\'e}rub{\'e}, Thao Dinh, Houchen Li, Christian Tzschaschel, Seunghyun Park, Tianye Huang, Shang-Wei Lien, Zhe Sun, Sheng-Chin Ho, Bahadur Singh, Kenji Watanabe, Takashi Taniguchi, David Bell, Arun Bansil, Hsin Lin, Tay-Rong Chang, Amir Yacoby, Ni Ni, Liang Fu, Qiong Ma, Su-Yang Xu, "An Antiferromagnetic Diode Effect in Even-Layered MnBi2Te4." Nature Electronics, 2024.
Colossal Room-Temperature Non-Reciprocal Hall Effect
Lujin Min, Yang Zhang, Zhijian Xie, Sai Ayyagari, Leixin Miao, Yugo Onishi, Seng Lee, Yu Wang, Nasim Alem, Liang Fu, Zhiqiang Mao, "Colossal Room-Temperature Non-Reciprocal Hall Effect." Nature Materials, 2024.
Universal Relation between Energy Gap and Dielectric Constant
Yugo Onishi, Liang Fu, "Universal Relation between Energy Gap and Dielectric Constant." Physical Review B, 2024.
Topological Bound on the Structure Factor
Yugo Onishi, Liang Fu, "Topological Bound on the Structure Factor." Physical Review Letters, 2024.
Probing Quantum Geometry through Optical Conductivity and Magnetic Circular Dichroism
Barun Ghosh, Yugo Onishi, Su-Yang Xu, Hsin Lin, Liang Fu, Arun Bansil, "Probing Quantum Geometry through Optical Conductivity and Magnetic Circular Dichroism." Science Advances, 2024.
Theory of Thermopolarization Effect
Yugo Onishi, Hiroki Isobe, Atsuo Shitade, Naoto Nagaosa, "Theory of Thermopolarization Effect." Nano Letters, 2025.
Quantum Weight: A Fundamental Property of Quantum Many-Body Systems
Yugo Onishi, Liang Fu, "Quantum Weight: A Fundamental Property of Quantum Many-Body Systems." Physical Review Research, 2025.
Geometric Bound on the Structure Factor and a Harmonic Condition on Band Geometry
Yugo Onishi, Alexander Avdoshkin, Liang Fu, "Geometric Bound on the Structure Factor and a Harmonic Condition on Band Geometry." Physical Review B, 2025.
Giant Nonlinear Transport Response in a Magnetic Semiconductor Induced by Electrostatic Gating
Chung-Tao Chou, Yugo Onishi, Kseniia Mosina, Qiuyuan Wang, Mingda Li, Zden{\v e}k Sofer, Liang Fu, Luqiao Liu, "Giant Nonlinear Transport Response in a Magnetic Semiconductor Induced by Electrostatic Gating." Newton, 2025.
Emergent Curved Space and Gravitational Lensing in Quantum Materials
Yugo Onishi, Nisarga Paul, Liang Fu, "Emergent Curved Space and Gravitational Lensing in Quantum Materials." Physical Review B, 2026.
Talks and Presentations
High-efficiency quantum rectenna for millimeter wave and terahertz technologies
Talk at APS March Meeting 2023, Las Vegas, Nevada
Quantum geometry, Optical property, and Energy gap
Seminar at Academia Sinica, Taipei, Taiwan
Quantum geometry, Optical property, and Energy gap
Seminar at National Taiwan University, Taipei, Taiwan
Quantum geometry, Optical property, and Energy gap
Seminar at National Cheng Kung University, Tainan, Taiwan
Fundamental bound on topological gap
Talk at APS March Meeting 2024, Minneapolis, Minnesota
Fundamental gap bound in insulators
Seminar at Harvard CMT Kids' Seminar, Cambridge, Massachusetts
Fundamental gap bound in insulators
Seminar at Group meeting of Narang group at UCLA, Online
Quantum weight
Seminar at Speakers’ Corner Talk , Online
Fundamental bound on topological gap
Seminar at ETH Zurich, ETH Zurich, Switzerland
Fundamental gap bound in insulators
Talk at NQCM2024, University of Tokyo, Japan
Fundamental gap bound in insulators
Seminar at Seminar at Fujimoto group at Osaka University, Osaka University, Japan
Fundamental bound on topological gap
Talk at 創発現象のフロンティアworkshop at Kyoto University, Kyoto University, Japan
Universal bound in topological phase
Talk at Quantum Designer Physics 2024, San Sebastian, Spain
Teaching
Service and leadership
- (2023 Fall-2025 Spring) President of Japanese Association of MIT
- The Japanese Graduate Student Association in the United States / 米国大学院学生会 説明会担当
Fellowship
- January, 2021 - September, 2022: MERIT-WINGS
- April, 2022 - September, 2022: Research Fellowships for Young Scientists DC1 / 学振DC1
- September, 2022 - August, 2024: Funai Overseas Scholarship
- August, 2025 - December, 2025: KITP Graduate Fellow