1. Axion Dark Matter Search with Interferometrie Gravitational Wave Detectors. (February 2020) Authors: Nagano, Koji; Obata, Ippei; Fujita, Tomohiro; Michimura, Yuta Journal: Journal of physics Issue: Volume 1468(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Axion-gauge field dynamics with backreaction. Issue 3 (1st March 2022) Authors: Ishiwata, Koji; Komatsu, Eiichiro; Obata, Ippei Journal: Journal of cosmology and astroparticle physics Issue: Volume 2022:Issue 3(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Cosmic birefringence from monodromic axion dark energy. Issue 8 (1st August 2022) Authors: Gasparotto, Silvia; Obata, Ippei Journal: Journal of cosmology and astroparticle physics Issue: Volume 2022:Issue 8(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Does anisotropic inflation produce a small statistical anisotropy?. Issue 1 (29th January 2018) Authors: Fujita, Tomohiro; Obata, Ippei Journal: Journal of cosmology and astroparticle physics Issue: Volume 2018:Issue 1(2018) Page Start: 049 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Gravitational wave trispectrum in the axion-SU(2) model. Issue 1 (4th January 2022) Authors: Fujita, Tomohiro; Murai, Kai; Obata, Ippei; Shiraishi, Maresuke Journal: Journal of cosmology and astroparticle physics Issue: Volume 2022:Issue 1(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Implications of the cosmic birefringence measurement for the axion dark matter search. Issue 9 (26th September 2022) Authors: Obata, Ippei Journal: Journal of cosmology and astroparticle physics Issue: Volume 2022:Issue 9(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Inflation with two-form field: the production of primordial black holes and gravitational waves. Issue 9 (1st September 2022) Authors: Fujita, Tomohiro; Nakatsuka, Hiromasa; Obata, Ippei; Young, Sam Journal: Journal of cosmology and astroparticle physics Issue: Volume 2022:Issue 9(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. New constraints on axion-gauge field dynamics during inflation from Planck and BICEP/Keck data sets. Issue 7 (1st July 2022) Authors: Campeti, Paolo; Özsoy, Ogan; Obata, Ippei; Shiraishi, Maresuke Journal: Journal of cosmology and astroparticle physics Issue: Volume 2022:Issue 7(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Non-sphericity of ultralight-axion dark matter haloes in the Galactic dwarf spheroidal galaxies. Issue 1 (21st October 2019) Authors: Hayashi, Kohei; Obata, Ippei Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 491:Issue 1(2020) Page Start: 615 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Resonant gravitational waves in dynamical Chern–Simons–axion gravity. (24th December 2020) Authors: Fujita, Tomohiro; Obata, Ippei; Tanaka, Takahiro; Yamada, Kei Journal: Classical and quantum gravity Issue: Volume 38:Number 4(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗