## Basic Information

### Educational Backgrounds

- Kyoto University, Graduate School, Division of Human and Environmental Studies, 2004/04, 2009/03

### Academic Degrees

- Kyoto University
- Kyoto University

### In Charge of Primary Major Programs

- Physics

### Research Fields

- Mathematical and physical sciences;Physics;Particle / Nuclear / Cosmic ray / Astro physics

### Research Keywords

- test of gravity theory
- cosmology
- gravitational waves

### Affiliated Academic Societies

- The Physical Society of Japan
- The Astronomical Society of Japan

## Educational Activity

### Course in Charge

- 2024, Undergraduate Education, First Semester, Exercises in Electromagnetism
- 2024, Undergraduate Education, Year, Advanced Subject Research
- 2024, Undergraduate Education, First Semester, Special Lectures in Physics (General Relativity)

## Research Activities

### Academic Papers

- Sagnac-type neutron displacement-noise-free interferometeric gravitational-wave detector, Classical and Quantum Gravity, 41(11), 202406
- Gravitational-wave constraints on scalar-tensor gravity from a neutron star and black-hole binary GW200115, Physical Review D, 109, 104072, 202405
- Search for Gravitational-wave Transients Associated with Magnetar Bursts in Advanced LIGO and Advanced Virgo Data from the Third Observing Run, The Astrophysical Journal, 966, 137, 202405
- Gravitational-wave constraints on scalar-tensor gravity from a neutron star and black-hole binary GW200115, PHYSICAL REVIEW D, 109, 104072, 202405
- Physically consistent gravitational waveform for capturing beyond general relativity effects in the compact object merger phase, PHYSICAL REVIEW D, 109, 084058, 202404
- Physically consistent gravitational waveform for capturing beyond general relativity effects in the compact object merger phase, Physical Review D, 109, 084058, 202404
- GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the Third Observing Run, Physical Review X, 13, 041039, 202312
- Search for Gravitational Waves Associated with Fast Radio Bursts Detected by CHIME/ FRB during the LIGO–Virgo Observing Run O3a, The Astrophysical Journal, 955, 155, 202310
- First results of axion dark matter search with DANCE, Physical Review D, 108, 072005, 202310
- Overview of KAGRA : Data transfer and management, Progress of Theoretical and Experimental Physics, 2023, 10A102, 202309
- Circular Polarization of the Astrophysical Gravitational Wave Background, Physical Review Letters, 131, 041401, 202307
- Constraints on the Cosmic Expansion History from GWTC–3, The Astrophysical Journal, 949, 76, 202306
- Observational constraint on axion dark matter in a realistic halo profile with gravitational waves, Physical Review D, 107, 103516, 202305
- Distinguishing a stochastic gravitational-wave signal from correlated noise with joint parameter estimation: Fisher analysis for ground-based detectors, Physical Review D, 107, 064055, 202303
- Noise subtraction from KAGRA O3GK data using Independent Component Analysis, Classical and Quantum Gravity, 40, 085015, 202303
- Population of Merging Compact Binaries Inferred Using Gravitational Waves through GWTC-3, Physical Review X, 13, 011048, 202303
- Search for subsolar-mass black hole binaries in the second part of Advanced LIGO's and Advanced Virgo's third observing run, Monthly Notices of the Royal Astronomical Society, 524, 5984, 202302
- Displacement-noise-free interferometeric gravitational-wave detector using unidirectional neutrons with four speeds, Physics Letters A, 458, 128581, 202301
- Input optics systems of the KAGRA detector during O3GK, Progress of Theoretical and Experimental Physics, 2023, 023F01, 202212
- Model-based Cross-correlation Search for Gravitational Waves from the Low-mass X-Ray Binary Scorpius X-1 in LIGO O3 Data, The Astrophysical Journal Letters, 941, L30, 202212
- All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data, Physical Review D, 106, 102008, 202211
- Observational constraint on axion dark matter with gravitational waves, Physical Review D, 106, L081301, 202210
- Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data, Physical Review D, 106, 062002, 202209
- Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO-Virgo data, Physical Review D, 106, 042003, 202208
- Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs, The Astrophysical Journal, 935, 1, 202208
- Narrowband Searches for Continuous and Long-duration Transient Gravitational Waves from Known Pulsars in the LIGO-Virgo Third Observing Run, The Astrophysical Journal, 932, 133, 202206
- All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO's and Advanced Virgo's first three observing runs, Physical Review D, 105, 122001, 202206
- Performanceof theKAGRAdetectorduringthefirst joint observation with GEO600 (O3GK), Progress of Theoretical and Experimental Physics, 2023, 10A101, 202206
- Neutron displacement noise-free interferometer for gravitational-wave detection, Physical Review D, 105, 124017, 202206
- All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data, Physical Review D, 105, 102001, 202205
- First joint observation by the underground gravitational-wave detector KAGRA with GEO 600, Prog. Theor. Exp. Phys., 2022, 063F01, 202204
- Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift during the LIGO–Virgo Run O3b, The Astrophysical Journal, 928, 186, 202204
- Search for scalar-tensor mixed polarization modes of gravitational waves, Physical Review D, 105, 084019, 202204
- Displacement-noise-free neutron interferometer for gravitational wave detection using a single Mach-Zehnder configuration, Physics Letters A, 441, 128150, 202204
- The Current Status and Future Prospects of KAGRA, the Large-Scale Cryogenic Gravitational Wave Telescope Built in the Kamioka Underground, Galaxies, 10, 63, 202204
- Constraints on dark photon dark matter using data from LIGO's and Virgo's third observing run, Physical Review D, 105, 063030, 202203
- Early warning of precessing neutron-star black-hole binary mergers with the near-future gravitational- wave detectors, Monthly Notices of the Royal Astronomical Society, 512, 3878, 202203
- Search for intermediate-mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo, Astronomy & Astrophysics, 659, A84, 202203
- Search for continuous gravitational waves from 20 accreting millisecond x-ray pulsars in O3 LIGO data, Physical Review D, 105, 022002, 202201
- All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run, Physical Review D, 104, 122004, 202112
- All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run, Physical Review D, 104, 102001, 202111
- Constraints from LIGO O3 Data on Gravitational-wave Emission Due to R-modes in the Glitching Pulsar PSR J0537–6910, The Astrophysical Journal, 922, 71, 202111
- Searches for Continuous Gravitational Waves from Young Supernova Remnants in the Early Third Observing Run of Advanced LIGO and Virgo, The Astrophysical Journal, 921, 80, 202111
- Impacts of overlapping gravitational-wave signals on the parameter estimation: Toward the search for cosmological backgrounds, Physical Review D, 104, 044010, 202108
- Reduction of quantum noise using the quantum locking with an optical spring for gravitational wave detectors, Physics Letters A, 402, 127365, 202106
- Early warning of precessing compact binary merger with third-generation gravitational-wave detectors, Physical Review D, 104, 064013, 202109
- Upper limits on the isotropic gravitational-wave background from Advanced LIGO and Advanced Virgo's third observing run, Physical Review D, 104, 022004, 202107
- Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo's first three observing runs, Physical Review D, 104, 022005, 202107
- All-sky search for continuous gravitational waves from isolated neutron stars in the early O3 LIGO data, Physical Review D, 104, 082004, 202110
- Diving below the Spin-down Limit: Constraints on Gravitational Waves from the Energetic Young Pulsar PSR J0537-6910, The Astrophysical Journal Letters, 913, L27, 202106
- Constraints on Cosmic Strings Using Data from the Third Advanced LIGO–Virgo Observing Run, Physical Review Letters, 126, 241102, 202106
- Vibration isolation systems for the beam splitter and signal recycling mirrors of the KAGRA gravitational wave detector, Classical and Quantum Gravity, 38, 065011, 202103
- Pure polarization test of GW170814 and GW170817 using waveforms consistent with modified theories of gravity, Physical Review D, 103, 064037, 202010
- Optimization of quantum noise by completing the square of multiple interferometer outputs in quantum locking for gravitational wave detectors, Physics Letters A, 384, 126626, 202009
- Overview of KAGRA: Calibration, detector characterization, physical environmental monitors, and the geophysics interferometer, Progress of Theoretical and Experimental Physics, 2021, 05A102, 202102
- An Early-warning System for Electromagnetic Follow-up of Gravitational-wave Events, The Astrophysical Journal Letters, 905, L25, 202012
- Overview of KAGRA: KAGRA science, Progress of Theoretical and Experimental Physics, 2020, 05A103, 202008
- Overview of KAGRA: Detector design and construction history, Progress of Theoretical and Experimental Physics, 2020, 05A101, 202008
- Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA, Physical Review D, 102, 022008, 202007
- Cosmological evolution of viable models in the generalized scalar-tensor theory, Physical Review D, 102, 024003, 202007
- Application of independent component analysis to the iKAGRA data, Progress of Theoretical and Experimental Physics, 2020, 053F01, 202005
- An arm length stabilization system for KAGRA and future gravitational-wave detectors, Classical and Quantum Gravity, 37, 035004, 202001
- Constraining extra gravitational wave polarizations with Advanced LIGO, Advanced Virgo, and KAGRA and upper bounds from GW170817, Physical Review D, 100, 064010, 201909
- Generalized framework for testing gravity with gravitational-wave propagation. III. Future prospect, Physical Review D, 99, 104038, 201905
- Convergence of Fourier-domain templates for inspiraling eccentric compact binaries, Physical Review D, 100, 064006, 201909
- KAGRA: 2.5 generation interferometric gravitational wave detector, Nature Astronomy, 3, 35, 201901
- Prospects for gravitational-wave polarization tests from compact binary mergers with future ground-based detectors, Physical Review D, 100, 042001, 201908
- Parity-violating gravity and GW170817, Physical Review D, 98, 124018, 201812
- Polarization test of gravitational waves from compact binary coalescences, Physical Review D, 98, 022008, 201807
- Particle swarm optimization of the sensitivity of a cryogenic gravitational wave detector, Physical Review D, 97, 122003, 201806
- ★, Generalized framework for testing gravity with gravitational-wave propagation. II. Constraints on Horndeski theory, Physical Review D, 97, 104038, 201805
- ★, Generalized framework for testing gravity with gravitational-wave propagation. I. Formulation, Physical Review D, 97, 104037, 201805
- Measurement of Hubble constant with stellar-mass binary black holes, Physical Review D, 96, 101303(R), 201711
- Testing gravity with pulsar scintillation measurements, Physical Review D, 95, 084049, 201704
- Constraining stellar binary black hole formation scenarios with eLISA eccentricity measurements, Monthly Notices of the Royal Astronomical Society, 465, 4375, 201703
- Gravitational wave memory: A new approach to study modified gravity, Physical Review D, 94, 104063, 201611
- eLISA eccentricity measurements as tracers of binary black hole formation, Physical Review D, 94, 064020, 201609
- Detecting black-hole binary clustering via the second-generation gravitational-wave detectors, Physical Review D, 94, 024013, 201607
- Constraining the propagation speed of gravitational waves with compact binaries at cosmological distances, Physical Review D, 93, 124036, 201606
- Anisotropies of Gravitational-Wave Standard Sirens as a New Cosmological Probe without Redshift Information, Physical Review Letters, 116, 121302, 201603
- Weak-value amplification beyond the standard quantum limit in position measurements, Physical Review A, 92, 032123, 201509
- Search for an emission line of a gravitational wave background, Physical Review D, 91, 122001, 201506
- ★, Measuring speed of gravitational waves by observations of photons and neutrinos from compact binary mergers and supernovae, Physical Review D, 90, 044048, 201408
- Constraint on reheating after f(R) inflation from gravitational waves, Physical Review D, 89, 063541, 201403
- Probing for massive stochastic gravitational-wave background with a detector network, Physical Review D, 88, 064005, 201309
- ★, Beyond concordance cosmology with magnification of gravitational-wave standard sirens, Physical Review Letters, 110, 151103, 201304
- Model-independent test of gravity with a network of ground-based gravitational-wave detectors, Physical Review D, 87, 062003, 201303
- Reheating after f(R) inflation, Physical Review D, 86, 083514, 201210
- Weak-value amplification in a shot-noise-limited interferometer, Physical Review A, 85, 062108, 201206
- Direct measurement of the positive acceleration of the universe and testing inhomogeneous models under gravitational wave cosmology, Journal of Cosmology and Astroparticle Physics, 2012(04), 031, 201204
- ★, Cosmology with space-based gravitational-wave detectors: Dark energy and primordial gravitational waves, Physical Review D, 85, 044047, 201202
- Evaluation of weak measurements to all orders, Physical Review A, 85, 012113, 201201
- Tracing the redshift evolution of Hubble parameter with gravitational-wave standard sirens, Physical Review D, 83, 084045, 201104
- Cosmological test of gravity with polarizations of stochastic gravitational waves around 0.1-1 Hz, Physical Review D, 81, 104043, 201005
- Measurement of angular antispring effect in optical cavity by radiation pressure, Physical Review D, 81, 064023, 201003
- Development of a Displacement- and Frequency-Noise-Free Interferometer in a 3D Configuration for Gravitational Wave Detection, Physical Review Letters, 103, 171101, 200910
- ★, Probing nontensorial polarizations of stochastic gravitational-wave backgrounds with ground-based laser interferometers, Physical Review D, 79, 082002, 200904
- Optimal location of two laser-interferometric detectors for gravitational wave backgrounds at 100 MHz, Classical and Quantum Gravity, 25, 225011, 200811
- Experimental investigation of a control scheme for a zero-detuning resonant sideband extraction interferometer for next-generation gravitational-wave detectors, Classical and Quantum Gravity, 25, 195008, 200810
- Search for a stochastic background of 100-MHz gravitational waves with laser interferometers, Physical Review Letters, 101, 101101, 200809
- Resonant speed meter for gravitational-wave detection, Physical Review Letters, 101, 081101, 200808
- Demonstration of displacement-noise-free interferometry using bi-directional Mach-Zehnder interferometers, Classical and Quantum Gravity, 25, 225011, 200806
- Laser-interferometric detectors for gravitational wave backgrounds at 100 MHz: Detector design and sensitivity, Physical Review D, 77, 022002, 200801
- Quantum noise in differential-type gravitational-wave interferometer and signal recycling, Physical Review D, 76, 042002, 200708