Space gravitational-wave antennas DECIGO and B-DECIGO

Seiji Kawamura,Takashi Nakamura,Masaki Ando,Naoki Seto,Tomotada Akutsu,Ikkoh Funaki,Kunihito Ioka,Nobuyuki Kanda,Isao Kawano,Mitsuru Musha,Kazuhiro Nakazawa,Shuichi Sato,Takeshi Takashima,Takahiro Tanaka,Kimio Tsubono,Jun'ichi Yokoyama,K. Agatsuma,Koh Suke Aoyanagi,Koji Arai,Akito Araya,Naoki Aritomi,Hideki Asada,Yoichi Aso,Dan Chen,Takeshi Chiba,Toshikazu Ebisuzaki,Satoshi Eguchi,Yumiko Ejiri,Motohiro Enoki,Yoshiharu Eriguchi,Masa Katsu Fujimoto,Ryuichi Fujita,Mitsuhiro Fukushima,Toshifumi Futamase, Rina Gondo,Tomohiro Harada,Tatsuaki Hashimoto, K. Hayama,Wataru Hikida,Yoshiaki Himemoto,Hisashi Hirabayashi,Takashi Hiramatsu,Feng-Lei Hong,Hideyuki Horisawa,Mizuhiko Hosokawa,Kiyotomo Ichiki,Takeshi Ikegami,Kaiki Taro Inoue,Hideki Ishihara,Takehiko Ishikawa,Hideharu Ishizaki,Hiroyuki Ito,Yousuke Itoh,K. Izumi,Shinya Kanemura,Nobuki Kawashima,F. Kawazoe,Naoko Kishimoto,Kenta Kiuchi,Shiho Kobayashi,Kazunori Kohri,Hiroyuki Koizumi,Yasufumi Kojima, K. Kokeyama,Wataru Kokuyama,Kei Kotake,Yoshihide Kozai,Hiroo Kunimori,Hitoshi Kuninaka,Kazuaki Kuroda,Sachiko Kuroyanagi,Kei Ichi Maeda,Hideo Matsuhara,Nobuyuki Matsumoto,Yuta Michimura,O. Miyakawa,Umpei Miyamoto,Shinji Miyoki,Mutsuko Y. Morimoto,Toshiyuki Morisawa,Shigenori Moriwaki,Shinji Mukohyama,Shigeo Nagano,Kouji Nakamura,Hiroyuki Nakano,Ken-ichi Nakao,Shinichi Nakasuka,Yoshinori Nakayama,Erina Nishida,Atsushi J. Nishizawa,Yoshito Niwa,Taiga Noumi,Yoshiyuki Obuchi,Naoko Ohishi,Masashi Ohkawa, K. Okada,Norio Okada,Koki Okutomi,Ken-ichi Oohara,Norichika Sago,Motoyuki Saijo,Ryo Saito,Masa-aki Sakagami,Shin-ichiro Sakai,S. Sakata,Misao Sasaki,Takashi Sato,Masaru Shibata, Kazunori Shibata,Ayumi Shimo-oku,Hisa-aki Shinkai,Ayaka Shoda,Kentaro Somiya,Hajime Sotani,Aru Suemasa,Naoshi Sugiyama,Yudai Suwa,Rieko Suzuki,H. Tagoshi,Fuminobu Takahashi,Kakeru Takahashi,Keitaro Takahashi,Ryutaro Takahashi,Ryuichi Takahashi,H. Takahashi,Takamori Akiteru,Tadashi Takano,Nobuyuki Tanaka,Keisuke Taniguchi,Atsushi Taruya,Hiroyuki Tashiro,Yasuo Torii,Morio Toyoshima,Shinji Tsujikawa,Akitoshi Ueda,Ken-ichi Ueda,Takafumi Ushiba,Masayoshi Utashima,Yaka Wakabayashi,Kent Yagi,Kazuhiro Yamamoto,Toshitaka Yamazaki,Chul-Moon Yoo,Shijun Yoshida,Taizoh Yoshino

INTERNATIONAL JOURNAL OF MODERN PHYSICS D（2019）

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摘要

DECi-hertz Interferometer Gravitational-wave Observatory (DECIGO) is a future Japanese space gravitational-wave antenna. The most important objective of DECIGO, among various sciences to be aimed at, is to detect gravitational waves coming from the inflation of the universe. DECIGO consists of four clusters of spacecraft, and each cluster consists of three spacecraft with three Pabry-Perot Michelson interferometers. As a pathfinder mission of DECIGO, B-DECIGO will be launched, hopefully in the 2020s, to demonstrate technologies necessary for DECIGO as well as to lead to fruitful multimessenger astronomy. B-DECIGO is a small-scale or simpler version of DECIGO with the sensitivity slightly worse than that of DECIGO, yet good enough to provide frequent detection of gravitational waves.

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关键词

Gravitational-wave,inflation,Pabry-Perot Michelson interferometer,multi-messenger astronomy

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