Program

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Latest update: October 16, 2026
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Program

*I-XX Invited talks
*C-XX Contributed talks


10/26 (Mon.)
10/27 (Tue.)
10/28 (Wed.)
10/29 (Thu.)
10/30 (Fri.)
Superconductors and correlated materials
Details
Date
October 26 (Mon.), 2026 09:00 - 10:20
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Ryo Shimano(Cryogenic Reseacr Center, The University of Tokyo)
I1-01 New Physics in Driven Quantum Materials
Andrea Cavalleri
I1-01 New Physics in Driven Quantum Materials
Andrea Cavalleri
I1-02 Illuminating insights into high Tc cuprates: nonlinear Terahertz spectroscopy and light enhanced coherence
Eugene Demler
I1-02 Illuminating insights into high Tc cuprates: nonlinear Terahertz spectroscopy and light enhanced coherence
Eugene Demler
C1-01 Probing renormalisation of driven YBa2Cu3O6+x phonons by phase
sensitive mid-infrared spectroscopy
Kaj Kelson
C1-01 Probing renormalisation of driven YBa2Cu3O6+x phonons by phase
sensitive mid-infrared spectroscopy
Kaj Kelson
C1-02 Two-dimensional terahertz spectroscopy of c-axis superconducting coherence in the stripe phase of La-based cuprate superconctors
Taisei Tomiyasu
C1-02 Two-dimensional terahertz spectroscopy of c-axis superconducting coherence in the stripe phase of La-based cuprate superconctors
Taisei Tomiyasu
Superconductors and density wave systems
Details
Date
October 26 (Mon.), 2026 10:50 - 12:10
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Jure Demsar(Johannes Gutenberg University Mainz)
I1-03 Light-induced programmable superconductivity (LiPS) created at an Al-Si
heterojunction
Dragan Mihailović
I1-03 Light-induced programmable superconductivity (LiPS) created at an Al-Si
heterojunction
Dragan Mihailović
I1-04 Stabilization and light control of triplet pairing in strongly correlated materials
Yao Wang
I1-04 Stabilization and light control of triplet pairing in strongly correlated materials
Yao Wang
C1-03 THz third-harmonic generation from driven superconductors
Morihiko Nishida
C1-03 THz third-harmonic generation from driven superconductors
Morihiko Nishida
C1-04 Photo-induced structural phase transition in 4Hb-TaS2 investigated by time-resolved X-ray diffraction measurements
Takeshi Suzuki
C1-04 Photo-induced structural phase transition in 4Hb-TaS2 investigated by time-resolved X-ray diffraction measurements
Takeshi Suzuki
Density wave systems
Details
Date
October 26 (Mon.), 2026 13:30 - 14:45
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Chong-Yu Ruan(Michigan State University)
I1-05 Ultrafast Van Hove Singularity Modulation and Charge-Order Fluctuations in Kagome Superconductor CsV₃Sb₅ Revealed by Time-Resolved ARPES
Kozo Okazaki
I1-05 Ultrafast Van Hove Singularity Modulation and Charge-Order Fluctuations in Kagome Superconductor CsV₃Sb₅ Revealed by Time-Resolved ARPES
Kozo Okazaki
I1-06 Real-Time TDDFT Unveils Correlated Electron–Phonon–Spin Dynamics in Photoinduced Phase Transitions
Chao Lian
I1-06 Real-Time TDDFT Unveils Correlated Electron–Phonon–Spin Dynamics in Photoinduced Phase Transitions
Chao Lian
I1-07 Terahertz-Driven Amplitude Mode in the Chiral Charge-Density-Wave Candidate 1T-TiSe₂
Kota Katsumi
I1-07 Terahertz-Driven Amplitude Mode in the Chiral Charge-Density-Wave Candidate 1T-TiSe₂
Kota Katsumi
Organic conductors and metal-organic frameworks
Details
Date
October 26 (Mon.), 2026 15:00 - 15:45
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Tatsuya Miyamoto(Nagoya Institute of Technology)
C1-05 Imaging Thermally and Photo Induced Phase Transition Using Femtosecond Photoelectron Emission Microscopy
Keiki Fukumoto
C1-05 Imaging Thermally and Photo Induced Phase Transition Using Femtosecond Photoelectron Emission Microscopy
Keiki Fukumoto
C1-06 Ultrafast spectroscopy of coherent phonons during pressure-driven phase transitions
Roman Bertoni
C1-06 Ultrafast spectroscopy of coherent phonons during pressure-driven phase transitions
Roman Bertoni
C1-07 Ultrafast selection of a photoinduced hidden state through bond-order-wave lattice relaxation in a donor–acceptor metal–organic framework
Tadahiko Ishikawa
C1-07 Ultrafast selection of a photoinduced hidden state through bond-order-wave lattice relaxation in a donor–acceptor metal–organic framework
Tadahiko Ishikawa
Poster Session 1
Details
Date
October 26 (Mon.), 2026 15:50 - 17:50
Room
Event Space(Ito International Research Center, The University of Tokyo)
Chairperson
P-01 Dirac charge in antiferromagnetic topological semimetals
Kohei Hattori
P-01 Dirac charge in antiferromagnetic topological semimetals
Kohei Hattori
P-03 Transfer of orbital angular momentum of a terahertz vortex beam to a superconductor via Higgs mode excitation
Kotaro Tanaka
P-03 Transfer of orbital angular momentum of a terahertz vortex beam to a superconductor via Higgs mode excitation
Kotaro Tanaka
P-05 Linear Higgs Optical Response in Time-Reversal Symmetry Broken Superconductors: Symmetry Classification
Chihiro Mamiya
P-05 Linear Higgs Optical Response in Time-Reversal Symmetry Broken Superconductors: Symmetry Classification
Chihiro Mamiya
P-07 c-axis terahertz nonlinear optical response in the superconducting state of La2−xSrxCuO4 studied by 2D-THz spectroscopy
Ryusei Kataoka
P-07 c-axis terahertz nonlinear optical response in the superconducting state of La2−xSrxCuO4 studied by 2D-THz spectroscopy
Ryusei Kataoka
P-09 Development of Asynchronous-Sampling Ultrafast Spin Noise Spectroscopy for Probing Nanosecond Magnetization Fluctuations
Kohsuke Ataka
P-09 Development of Asynchronous-Sampling Ultrafast Spin Noise Spectroscopy for Probing Nanosecond Magnetization Fluctuations
Kohsuke Ataka
P-11 Measuring Dipolar Magnetic Field Generated by Circular Phonons
Chih-Chieh Wu
P-11 Measuring Dipolar Magnetic Field Generated by Circular Phonons
Chih-Chieh Wu
P-13 All-optical time-resolved observation of inverse orbital Hall effect
in a single bulk semiconductor using terahertz polarimetry
Kota Aikyo
P-13 All-optical time-resolved observation of inverse orbital Hall effect
in a single bulk semiconductor using terahertz polarimetry
Kota Aikyo
P-15 Probing parametric phase mode amplification in K0.3MoO3
using time-resolved Terahertz spectroscopy
Aline Vanderhaegen
P-15 Probing parametric phase mode amplification in K0.3MoO3
using time-resolved Terahertz spectroscopy
Aline Vanderhaegen
P-17 Ultrashort Coherent Spin Wave Pulses in Antiferromagnets
Jim Groefsema
P-17 Ultrashort Coherent Spin Wave Pulses in Antiferromagnets
Jim Groefsema
P-19 Tuning the nonlinear dynamics of Raman-active phonons excited by strong THz pulses in a ferroaxial material PbWO4
Masaki Yamamoto
P-19 Tuning the nonlinear dynamics of Raman-active phonons excited by strong THz pulses in a ferroaxial material PbWO4
Masaki Yamamoto
P-21 Numerical Analysis of Magnetic Skyrmion Generation via Synergistic Effect of Laser Heating and Inverse Faraday Effect
Itsuki Nakamura
P-21 Numerical Analysis of Magnetic Skyrmion Generation via Synergistic Effect of Laser Heating and Inverse Faraday Effect
Itsuki Nakamura
P-23 One-photon resonance Floquet-Weyl states in topological insulators
Keiya Uehara
P-23 One-photon resonance Floquet-Weyl states in topological insulators
Keiya Uehara
P-25 Ultrafast control of quantum states with wave-shape manipulation of chirped laser pulse
Takeshi Hasebe
P-25 Ultrafast control of quantum states with wave-shape manipulation of chirped laser pulse
Takeshi Hasebe
P-27 Spatiotemporal imaging of photoinduced phase transition in VO2 by ultrafast transmission electron microscope
Toshiya Shiratori
P-27 Spatiotemporal imaging of photoinduced phase transition in VO2 by ultrafast transmission electron microscope
Toshiya Shiratori
P-29 THz-Driven Structural Dynamics in 2H-MoTe2 Revealed by Ultrafast Electron Diffraction
Haruki Taira
P-29 THz-Driven Structural Dynamics in 2H-MoTe2 Revealed by Ultrafast Electron Diffraction
Haruki Taira
P-31 On-chip THz pump-probe spectroscopy of superconducting Nb microstrip
Fumiya Sekiguchi
P-31 On-chip THz pump-probe spectroscopy of superconducting Nb microstrip
Fumiya Sekiguchi
P-33 Generalized Keldysh formalism for nonequilibrium correlation functions and its application to fluctuation dynamics of ordered states
Ken Inayoshi
P-33 Generalized Keldysh formalism for nonequilibrium correlation functions and its application to fluctuation dynamics of ordered states
Ken Inayoshi
P-35 Ultrafast optical anisotropy in strain-controlled (100) RuO2 thin films
Hyo Seok Kim
P-35 Ultrafast optical anisotropy in strain-controlled (100) RuO2 thin films
Hyo Seok Kim
P-37 Hierarchical photoinduced nonequilibrium dynamics of charge order and lattice displacements in an electronic ferroelectric material
Ryo Fukaya
P-37 Hierarchical photoinduced nonequilibrium dynamics of charge order and lattice displacements in an electronic ferroelectric material
Ryo Fukaya
P-39 Circular dichroism in second- and third-harmonic generation in chiral topological semimetal CoSi
Yuya Ominato
P-39 Circular dichroism in second- and third-harmonic generation in chiral topological semimetal CoSi
Yuya Ominato
P-41 Cycle by cycle electronic reconstruction imprinted on high harmonic generation in a cuprate Mott insulator
Ryohei Ikeda
P-41 Cycle by cycle electronic reconstruction imprinted on high harmonic generation in a cuprate Mott insulator
Ryohei Ikeda
P-43 Chern insulating phases and topological flat bands in cavity-embedded kagome systems
Ryo Okugawa
P-43 Chern insulating phases and topological flat bands in cavity-embedded kagome systems
Ryo Okugawa
P-45 Even-Order Harmonics of Floquet-Massive Graphene in Time-Resolved High-Harmonic Generation
Youngchan Choi
P-45 Even-Order Harmonics of Floquet-Massive Graphene in Time-Resolved High-Harmonic Generation
Youngchan Choi
P-47 Novel topological route beyond Floquet–Volkov paths
Hyosub Park
P-47 Novel topological route beyond Floquet–Volkov paths
Hyosub Park
P-49 Real-time framework for extracting nonlinear response functions: Formulation and applications
Atsushi Ono
P-49 Real-time framework for extracting nonlinear response functions: Formulation and applications
Atsushi Ono
Ultrafast charge and lattice dynamics in functional materials
Details
Date
October 27 (Tue.), 2026 09:00 - 10:20
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Takami Tohyama(Tokyo University of Science)
I2-01 From Giant Optical Nonlinearity to Floquet Excitons and High-Harmonic Generation in Mott Insulators
Hiroshi Okamoto
I2-01 From Giant Optical Nonlinearity to Floquet Excitons and High-Harmonic Generation in Mott Insulators
Hiroshi Okamoto
I2-02 When ultrafast photoinduced charge-transfer polarons cooperatively drive a macroscopic nucleation towards a persistent phase
Eric Collet
I2-02 When ultrafast photoinduced charge-transfer polarons cooperatively drive a macroscopic nucleation towards a persistent phase
Eric Collet
C2-01 Polarization Structure and Photoexcited Dynamics in RFe₂O₄
Yoichi Okimoto
C2-01 Polarization Structure and Photoexcited Dynamics in RFe₂O₄
Yoichi Okimoto
C2-02 Sub-picosecond Cooperative Enhancement of Electronic-Ferroelectric Polarization in LuFe2O4 Triggered by a Terahertz Field
Hirotake Ito
C2-02 Sub-picosecond Cooperative Enhancement of Electronic-Ferroelectric Polarization in LuFe2O4 Triggered by a Terahertz Field
Hirotake Ito
Ultrafast dynamics of quasiparticles and spins in superconductors
Details
Date
October 27 (Tue.), 2026 10:50 - 12:10
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Dragan Mihailovic(Jozef Stefan Institute and University of Ljubljana)
I2-03 Ultrafast decoupling of quasiparticles and spin fluctuations
in superconducting cuprates
Shinichiro Iwai
I2-03 Ultrafast decoupling of quasiparticles and spin fluctuations
in superconducting cuprates
Shinichiro Iwai
I2-04 The picosecond depairing currents and diode effect in type-II superconductors
Eryin Wang
I2-04 The picosecond depairing currents and diode effect in type-II superconductors
Eryin Wang
C2-03 Nonequilibrium charge dynamics in Hubbard models explored via time-dependent DMRG
Takami Tohyama
C2-03 Nonequilibrium charge dynamics in Hubbard models explored via time-dependent DMRG
Takami Tohyama
C2-04 Exciton interlayer tunneling transport driven by strong multi-THz field in a TMD heterostructure
Xiaoyue Zhou
C2-04 Exciton interlayer tunneling transport driven by strong multi-THz field in a TMD heterostructure
Xiaoyue Zhou
Vacuum field-induced phenomena in cavities
Details
Date
October 27 (Tue.), 2026 13:30 - 14:45
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Yuta Murakami(Tohoku University, IMR)
I2-05 Cavity Control of Quantum Materials
Daniele Fausti
I2-05 Cavity Control of Quantum Materials
Daniele Fausti
I2-06 Cavity-Coupled Quantum Materials
Jun Kono
I2-06 Cavity-Coupled Quantum Materials
Jun Kono
I2-07 Floquet and Cavity Engineering of Topological Quantum Materials and their Quantum-Optical Signatures
Martin Claassen
I2-07 Floquet and Cavity Engineering of Topological Quantum Materials and their Quantum-Optical Signatures
Martin Claassen
Insulator-to-metal transitions
Details
Date
October 27 (Tue.), 2026 15:00 - 15:45
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Kyoko Ishizaka(The University of Tokyo)
C2-05 Nonequilibrium metallic phase under continuous optical drive in the antiferromagnetic Mott insulator Ca₃(Ru₀.₉₉Ti₀.₀₁)₂O₇
Alexander Boris
C2-05 Nonequilibrium metallic phase under continuous optical drive in the antiferromagnetic Mott insulator Ca₃(Ru₀.₉₉Ti₀.₀₁)₂O₇
Alexander Boris
C2-06 The Role of Polarons in Driving and Controlling Functionality in Photocatalytic and Phase-Change Materials
Ernest Pastor
C2-06 The Role of Polarons in Driving and Controlling Functionality in Photocatalytic and Phase-Change Materials
Ernest Pastor
C2-07 Ultrafast precursor dynamics of photoinduced insulator-metal transition in V2O3
Tatsuya Amano
C2-07 Ultrafast precursor dynamics of photoinduced insulator-metal transition in V2O3
Tatsuya Amano
Poster Session 2
Details
Date
October 27 (Tue.), 2026 15:50 - 17:50
Room
Event Space(Ito International Research Center, The University of Tokyo)
Chairperson
P-02 Momentum-Resolved Photoemission Spectra of Excitons in One-Dimensional Mott Insulators
Taiga Nakamoto
P-02 Momentum-Resolved Photoemission Spectra of Excitons in One-Dimensional Mott Insulators
Taiga Nakamoto
P-04 Observation of the Bulk Photovoltaic Effect in Electronic Ferroelectric LuFe₂O₄
Akihiro Sugisawa
P-04 Observation of the Bulk Photovoltaic Effect in Electronic Ferroelectric LuFe₂O₄
Akihiro Sugisawa
P-06 THz induced ultrafast spin dynamics in canted antiferromagnet YFeO3 measured by NIR probe birefringence and THz Time Domain Spectroscopy
Eliez Ayad-Thomas
P-06 THz induced ultrafast spin dynamics in canted antiferromagnet YFeO3 measured by NIR probe birefringence and THz Time Domain Spectroscopy
Eliez Ayad-Thomas
P-08 Cavity-induced Modulation of High-Harmonic Generation in Few-layer WSe₂
Toshiaki Kasashima
P-08 Cavity-induced Modulation of High-Harmonic Generation in Few-layer WSe₂
Toshiaki Kasashima
P-10 Photoinduced magnetic instabilities in the triangular-lattice double-exchange model: A correlation-function approach to dissipative Floquet electron systems
Ryo Hamano
P-10 Photoinduced magnetic instabilities in the triangular-lattice double-exchange model: A correlation-function approach to dissipative Floquet electron systems
Ryo Hamano
P-12 Arbitrary control of valley-dependent large anisotropic conductivity in germanium at room-temperature
Ami Shirai
P-12 Arbitrary control of valley-dependent large anisotropic conductivity in germanium at room-temperature
Ami Shirai
P-14 Temperature dependence of photoinduced coherent phonons and scattering mechanisms in transition-metal dichalcogenides
Mizuki Akei
P-14 Temperature dependence of photoinduced coherent phonons and scattering mechanisms in transition-metal dichalcogenides
Mizuki Akei
P-16 Ultrafast response of the charge density wave on EuAl4
Cristhian Humberto Sumba Lusero
P-16 Ultrafast response of the charge density wave on EuAl4
Cristhian Humberto Sumba Lusero
P-18 Ultrafast Dynamics in the Jahn–Teller‑Active Mott insulator GaV₄S₈
Dorian Lagreve
P-18 Ultrafast Dynamics in the Jahn–Teller‑Active Mott insulator GaV₄S₈
Dorian Lagreve
P-20 Photoinduced transition between low-temperature and high-temperature phases in a metal-organic framework
Takahisa Kato
P-20 Photoinduced transition between low-temperature and high-temperature phases in a metal-organic framework
Takahisa Kato
P-22 Theory of THz-laser driven spin pumping in antiferromagnets
Hogara Watanabe
P-22 Theory of THz-laser driven spin pumping in antiferromagnets
Hogara Watanabe
P-24 Mid-infrared light-induced anomalous Hall response in a high-Tc cuprate superconductor La₂₋ₓSrₓCuO₄
Koki Kuroda
P-24 Mid-infrared light-induced anomalous Hall response in a high-Tc cuprate superconductor La₂₋ₓSrₓCuO₄
Koki Kuroda
P-26 Photothermal dynamics around a magnetic edge dislocation visualized by pump-probe Lorentz TEM
Dongxue Han
P-26 Photothermal dynamics around a magnetic edge dislocation visualized by pump-probe Lorentz TEM
Dongxue Han
P-28 Observation of structural dynamics in organic light-emitting materials driven by terahertz waves
Yukina Mori
P-28 Observation of structural dynamics in organic light-emitting materials driven by terahertz waves
Yukina Mori
P-30 Polarization dependence of charge-density-wave-coupled phonons in photoexcited CeTe3
Kentaro Yamauchi
P-30 Polarization dependence of charge-density-wave-coupled phonons in photoexcited CeTe3
Kentaro Yamauchi
P-32 Magnetic Skyrmion Interacting with Optical Skyrmion
Lan Bo
P-32 Magnetic Skyrmion Interacting with Optical Skyrmion
Lan Bo
P-34 Macroscopic Quantum Electrodynamics with Gain:
Modified Electromagnetic Fluctuations and Their Consequences
Daigo Oue
P-34 Macroscopic Quantum Electrodynamics with Gain:
Modified Electromagnetic Fluctuations and Their Consequences
Daigo Oue
P-38 Photoinduced electronic ferroelectric phase and its ultrafast polarization control in a metal-organic framework
Akira Takahashi
P-38 Photoinduced electronic ferroelectric phase and its ultrafast polarization control in a metal-organic framework
Akira Takahashi
P-40 Theory of electric-quadrupole shift current induced by finite-wave-vector light
Keisuke Kitayama
P-40 Theory of electric-quadrupole shift current induced by finite-wave-vector light
Keisuke Kitayama
P-42 Phonon-Assisted Interlayer Moiré-Modified Hybrid Excitons in Alloy-Binary Heterostructures
Rajeev Kini
P-42 Phonon-Assisted Interlayer Moiré-Modified Hybrid Excitons in Alloy-Binary Heterostructures
Rajeev Kini
P-44 Terahertz-Pulse Control of Charge-order Polarization in Photo-Melted \alpha-(BEDT-TTF)_2I_3
Shu Ohmura
P-44 Terahertz-Pulse Control of Charge-order Polarization in Photo-Melted \alpha-(BEDT-TTF)_2I_3
Shu Ohmura
P-46 Field-Responsive Equivariant Machine Learning Potentials with Long-Range Interactions
Jiwon Jeon
P-46 Field-Responsive Equivariant Machine Learning Potentials with Long-Range Interactions
Jiwon Jeon
P-48 High-harmonic generation enhanced by electron-phonon coupling
Gimin Bae
P-48 High-harmonic generation enhanced by electron-phonon coupling
Gimin Bae
P-50 Numerical Simulation of Circularly Polarized Light-Induced Chiral Superconductivity and Its Controllability
Yusuke Masaki
P-50 Numerical Simulation of Circularly Polarized Light-Induced Chiral Superconductivity and Its Controllability
Yusuke Masaki
Correlated materials and density waves
Details
Date
October 28 (Wed.), 2026 09:00 - 10:20
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Iwai Shinichiro(Department of Physics, Tohoku University)
I3-01 Probing light induced phases on the nanoscale from femtoseconds to seconds
Simon E. Wall
I3-01 Probing light induced phases on the nanoscale from femtoseconds to seconds
Simon E. Wall
I3-02 Phononic Control of Ultrafast Metal–Insulator Switching Revealed by Physics-Informed Deep Learning and Multimodal Measurements
Chong-Yu Ruan
I3-02 Phononic Control of Ultrafast Metal–Insulator Switching Revealed by Physics-Informed Deep Learning and Multimodal Measurements
Chong-Yu Ruan
C3-01 Dynamics of light-driven ferromagnetic to charge density waves phase
transition in SmNiC2
Jure Demsar
C3-01 Dynamics of light-driven ferromagnetic to charge density waves phase
transition in SmNiC2
Jure Demsar
C3-02 Recent advances in controlling ultrafast photoinduced transitions via strain waves in quantum materials
Celine Mariette
C3-02 Recent advances in controlling ultrafast photoinduced transitions via strain waves in quantum materials
Celine Mariette
Novel optical detection of spins, magnetic flux, and Berry-phase-related phenomena
Details
Date
October 28 (Wed.), 2026 10:50 - 12:10
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Liang Wu(University of Pennsylvania)
I3-03 Probing the THz magneto-dynamics of coherently driven spins and superconducting flux trapping
Gregor Jotzu
I3-03 Probing the THz magneto-dynamics of coherently driven spins and superconducting flux trapping
Gregor Jotzu
I3-04 All-Optical Terahertz Probing of Spin, Orbital, and Valley Transport Dynamics in Semiconductors
Ryusuke Matsunaga
I3-04 All-Optical Terahertz Probing of Spin, Orbital, and Valley Transport Dynamics in Semiconductors
Ryusuke Matsunaga
C3-03 Photogalvanic effects as symmetry breaking indicators in Twisted Bilayer Graphene
Fernando Peñaranda
C3-03 Photogalvanic effects as symmetry breaking indicators in Twisted Bilayer Graphene
Fernando Peñaranda
C3-04 Role of Berry curvature engineering by electric field in light-induced anomalous Hall effect
Yuta Murotani
C3-04 Role of Berry curvature engineering by electric field in light-induced anomalous Hall effect
Yuta Murotani
Magnetism 1
Details
Date
October 28 (Wed.), 2026 13:30 - 15:45
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Kota Katsumi(New York University)
I3-05 Coherent Terahertz Control of Metastable Magnetization in a Van der Waals Antiferromagnet
Nuh Gedik
I3-05 Coherent Terahertz Control of Metastable Magnetization in a Van der Waals Antiferromagnet
Nuh Gedik
I3-06 Terahertz Light-Field Engineering for Nonlinear Control of Antiferromagnetic Spins
Hideki Hirori
I3-06 Terahertz Light-Field Engineering for Nonlinear Control of Antiferromagnetic Spins
Hideki Hirori
I3-07 Energy-Efficient Light Control of a Hidden Stable Phase in a Strongly Correlated Magnetic Metal
Liang Wu
I3-07 Energy-Efficient Light Control of a Hidden Stable Phase in a Strongly Correlated Magnetic Metal
Liang Wu
C3-05 Optically reconfigurable terahertz metasurface enabled by all-optical magnetization switching in the ferromagnetic Weyl semimetal Co3Sn2S2
Naotaka Yoshikawa
C3-05 Optically reconfigurable terahertz metasurface enabled by all-optical magnetization switching in the ferromagnetic Weyl semimetal Co3Sn2S2
Naotaka Yoshikawa
C3-06 THz-Driven Ionic Magnetism in a Quantum Paraelectric SrTiO3
Inhyeok Choi
C3-06 THz-Driven Ionic Magnetism in a Quantum Paraelectric SrTiO3
Inhyeok Choi
C3-07 Theory for THz-laser Driven Harmonic Generation in Ordered and Quantum Magnets
Masahiro Sato
C3-07 Theory for THz-laser Driven Harmonic Generation in Ordered and Quantum Magnets
Masahiro Sato
Chiral phonons
Details
Date
October 28 (Wed.), 2026 16:00 - 17:20
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Tomasz Zalewski(HFML-FELIX)
I3-08 Chiral/axial phonons and their angular momentum
Urs Staub
I3-08 Chiral/axial phonons and their angular momentum
Urs Staub
I3-09 Transfer and Conservation of Angular Momentum among Crystal Lattice Modes
Sebastian Maehrlein
I3-09 Transfer and Conservation of Angular Momentum among Crystal Lattice Modes
Sebastian Maehrlein
C3-08 Light-driven orbital-selective polarization control in metal
Changjae Roh
C3-08 Light-driven orbital-selective polarization control in metal
Changjae Roh
C3-09 Quantum-geometric effects in nonlinear phononics
Sota Kitamura
C3-09 Quantum-geometric effects in nonlinear phononics
Sota Kitamura
Floquet engineering and strong-field effects
Details
Date
October 29 (Thu.), 2026 09:00 - 10:20
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Nuh Gedik(MIT)
I4-01 Subcycle momentum microscopy of Landau-Zener-Majorana transitions
Ulrich Höfer
I4-01 Subcycle momentum microscopy of Landau-Zener-Majorana transitions
Ulrich Höfer
I4-02 Nonperturbative Optics in Quantum Materials: Floquet Engineering and Wave-Driven Nonequilibrium States
Takashi Oka
I4-02 Nonperturbative Optics in Quantum Materials: Floquet Engineering and Wave-Driven Nonequilibrium States
Takashi Oka
C4-01 Sub-cycle photocurrent generation in a Floquet topological insulator
Weizhe Li
C4-01 Sub-cycle photocurrent generation in a Floquet topological insulator
Weizhe Li
C4-02 Dimensionality Effects on High-Harmonic Generation in Cuprates
Kento Uchida
C4-02 Dimensionality Effects on High-Harmonic Generation in Cuprates
Kento Uchida
Structural dynamics probed by UTEM and UED
Details
Date
October 29 (Thu.), 2026 10:50 - 11:40
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Simon Wall(Aarhus University)
I4-03 Nanoscale Structural Dynamics of Photoexcited Quantum Materials Revealed by Ultrafast Electron Microscopy
Kyoko Ishizaka
I4-03 Nanoscale Structural Dynamics of Photoexcited Quantum Materials Revealed by Ultrafast Electron Microscopy
Kyoko Ishizaka
I4-04 Direct Visualization of Structural Dynamics During Terahertz Field Excitation by Ultrafast Electron Diffraction
Masaki Hada
I4-04 Direct Visualization of Structural Dynamics During Terahertz Field Excitation by Ultrafast Electron Diffraction
Masaki Hada
Magnetism 2
Details
Date
October 30 (Fri.), 2026 09:00 - 10:20
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Naotaka Yoshikawa(Hokkaido University)
I5-01 Crystal-field excitations as a pathway for light-induced magnetization
Tomasz Zalewski
I5-01 Crystal-field excitations as a pathway for light-induced magnetization
Tomasz Zalewski
I5-02 Texture-dependent control over photo-induced stochastic nucleation of nanoscale magnetic domains
Dinar Khusyainov
I5-02 Texture-dependent control over photo-induced stochastic nucleation of nanoscale magnetic domains
Dinar Khusyainov
C5-01 Type-II-like ultrafast demagnetization in NiCo₂O₄ thin films
Hiroki Wadati
C5-01 Type-II-like ultrafast demagnetization in NiCo₂O₄ thin films
Hiroki Wadati
C5-02 Photoinduced antiferromagnetic domain switching in ferrotoroidic LiNiPO4
Shingo Toyoda
C5-02 Photoinduced antiferromagnetic domain switching in ferrotoroidic LiNiPO4
Shingo Toyoda
Structural dynamics, ferroelectrics, and strong-field effects
Details
Date
October 30 (Fri.), 2026 10:50 - 11:55
Room
Ito Hall(Ito International Research Center, The University of Tokyo)
Chairperson
Tsuji Naoto(University of Tokyo)
I5-03 THz-driven structural, magnetic, and textured ferroelectric responses
Keith Nelson
I5-03 THz-driven structural, magnetic, and textured ferroelectric responses
Keith Nelson
I5-04 Strongly Correlated Systems Meet Attosecond Science:
Toward High-Harmonic Spectroscopy of Correlated Materials
Yuta Murakami
I5-04 Strongly Correlated Systems Meet Attosecond Science:
Toward High-Harmonic Spectroscopy of Correlated Materials
Yuta Murakami
C5-03 Control of nonreciprocal directional dichroism in Bi2CuO4 using electric and magnetic fields of an intense terahertz pulse
Tatsuya Miyamoto
C5-03 Control of nonreciprocal directional dichroism in Bi2CuO4 using electric and magnetic fields of an intense terahertz pulse
Tatsuya Miyamoto
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