1. 3D simulation of spindle gravitational collapse of a collisionless particle system. (24th April 2017) Authors: Yoo, Chul-Moon; Harada, Tomohiro; Okawa, Hirotada Journal: Classical and quantum gravity Issue: Volume 34:Number 10(2017:May) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. A novel Lagrangian formulation to construct relativistic rotating stars: towards its application to their evolution calculations. Issue 1 (17th January 2023) Authors: Okawa, Hirotada; Fujisawa, Kotaro; Yasutake, Nobutoshi; Ogata, Misa; Yamamoto, Yu; Yamada, Shoichi Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 520:Issue 1(2023) Page Start: 24 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Cumulative shift of periastron time of binary pulsar with Kozai–Lidov oscillation. (27th April 2019) Authors: Suzuki, Haruka; Gupta, Priti; Okawa, Hirotada; Maeda, Kei-ichi Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 486:Number 1(2019) Page Start: L52 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. ECO-spotting: looking for extremely compact objects with bosonic fields. (31st January 2022) Authors: Cardoso, Vitor; Macedo, Caio F B; Maeda, Kei-ichi; Okawa, Hirotada Journal: Classical and quantum gravity Issue: Volume 39:Number 3(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. ECO-spotting: looking for extremely compact objects with bosonic fields. (5th January 2022) Authors: Cardoso, Vitor; Macedo, Caio F B; Maeda, Kei-ichi; Okawa, Hirotada Journal: Classical and quantum gravity Issue: Volume 39:Number 3(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Gravitational collapse of a massless scalar field in a periodic box. (11th March 2019) Authors: Yoo, Chul-Moon; Ikeda, Taishi; Okawa, Hirotada Journal: Classical and quantum gravity Issue: Volume 36:Number 7(2019:Apr.) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Non-linear collisional Penrose process: How much energy can a black hole release?. (9th January 2018) Authors: Nakao, Ken-ichi; Okawa, Hirotada; Maeda, Kei-ichi Journal: Progress of theoretical and experimental physics Issue: Volume 2018:Number 1(2018) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Nonlinear evolutions of bosonic clouds around black holes. (15th October 2015) Authors: Okawa, Hirotada Journal: Classical and quantum gravity Issue: Volume 32:Number 21(2015:Nov.) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Post-Newtonian Kozai–Lidov mechanism and its effect on cumulative shift of periastron time of binary pulsar. Issue 2 (3rd November 2020) Authors: Suzuki, Haruka; Gupta, Priti; Okawa, Hirotada; Maeda, Kei-ichi Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 500:Issue 2(2021) Page Start: 1645 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Testing general relativity with present and future astrophysical observations. (1st December 2015) Authors: Berti, Emanuele; Barausse, Enrico; Cardoso, Vitor; Gualtieri, Leonardo; Pani, Paolo; Sperhake, Ulrich; Stein, Leo C; Wex, Norbert; Yagi, Kent; Baker, Tessa; Burgess, C P; Coelho, Flávio S; Doneva, Daniela; Felice, Antonio De; Ferreira, Pedro G; Freire, Paulo C C; Healy, James; Herdeiro, Carlos; H... Journal: Classical and quantum gravity Issue: Volume 32:Number 24(2015:Dec.) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗