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| = GW research exchange meeting = | |
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| == 重力波研究交流会とは? == | |
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| * [[gw_talks/what_is|重力波研究交流会とは?]] * [[JGWDoc/HowTo/UpLoad | 資料の upload の仕方]] |
* [[gw_talks/what_is|What is GW REM? （重力波研究交流会とは?）]] * [[#UsefulLinks | Useful Links ]] * [[#HowToAnnouncements | How to receive announcements ]] |
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| == 次回の重力波研究交流会 == | == Upcoming GW-REMs == ---- === The 103rd REM: December === |
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| === 第70回 2014年10月10日（金） === | * Time: 13:00-14:00 * Speaker: TBA * Title: TBA * [[Link to the material will be here]] <<BR>> === The 102nd REM: November 15th, 2019, Friday === |
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| * 場所 seevogh上 | * Time: 13:00-14:00 |
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| * 時間 13:00-15:00 | * Location: ICRR, the Kashiwanoha campus (tentative) |
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| * Talk1：塚田怜央（東大） * 「Loss Dependence on Beam Position in the arm cavities of aLIGO」 |
* Speaker: Kyohei Kawaguchi (ICRR, University of Tokyo) * Title: ''"Modeling gravitational waveforms and electromagnetic signals from neutron star binary mergers"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10990| Link to the material]] |
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| * Seevogh (evo) 接続情報 | * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| * Title: Monthly JGW seminar * Community: Virgo - LSC * Password: アナウンスメールを参照のこと * Meeting Access Information: * SeeVoghRN Application http://research.seevogh.com/joinSRN?meeting=MaMDMt2e2uDBDu9i9nDI9a * Webstart (Java) http://research.seevogh.com/join?meeting=MaMDMt2e2uDBDu9i9nDI9a * Mobile App : Meeting ID: 709 6932 or Link: http://research.seevogh.com/join?meeting=MaMDMt2e2uDBDu9i9nDI9a |
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| == 過去の重力波研究交流会 == ---- === 第69回 2014年8月29日（金） === ---- * 場所：東大三尾研/東大宇宙線研 |
|
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| * 日時：8月29日（金） 13:00-15:00 * Talk1：鈴木健一郎(東大三尾研) * 「KAGRA用レーザー光源開発の現状」 * Talk2：中野雅之（東大宇宙線研） * 「LIGOハンフォード観測所帰朝報告（仮）」 === 第68回 2014年7月25日（金） === |
== The past GW REM talks == |
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| * 場所 seevogh上 | |
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| * 時間 13:00-15:00 * Talk1：八木絢外（Montana State Univ.） * 「Applications of Neutron-Star Universal Relations to Gravitational Wave Observations」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2543| 資料]] * Talk2：青山尚平（名大C研） * 「全地球測位システム(GPS)の重力波観測への応用とその先の展望」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2548|資料]] === 第67回 2014年6月13日（金） === |
=== The 101st REM / ISAS Astrophysics Colloquium : August 9th, 2019, Friday === |
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| * 場所 東京工業大学本館H177 | * Time: 13:00-14:00 |
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| * 時間 13:00-15:00 | * Location: Room 1537, Bild.A, 5F in JAXA Sagamihara campus |
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| * Talk Sina Koehlenbeck （AEI） * 「The 10m Prototype at the AEI Hannover: Current Status and upcoming experiments」 [[http://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0024/G1402468/001/2014-02-13_10m.pdf|here]] |
* Speaker: Morio Toyoshima (NICT) * Title: ''"Recent Trends of Space Laser Communications"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10526 | a link to the material (password protected)]] * Information for Zoom remote connection * Meeting URL: https://zoom.us/j/5045179604 * password: ask an organizer * Jointly organized with [[http://www.isas.jaxa.jp/home/astro_colloq/|the ISAS Astrophysics Colloquia]] |
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| * Seevogh (evo) 接続 | |
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| * Title: JGW monthly seminar * Community: Virgo - LSC * Webstart (Java) ： http://research.seevogh.com/join?meeting=MaMDMt2v2MD9Dv9M9nDI9a |
<<BR>> |
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| === 第66回 2014年5月16日（金） === | === The 100th REM: July 12th, 2019, Friday === |
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| * 場所 東大宇宙線研究所６階大セミナー室 | * Time: 13:00-14:00 |
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| * 時間 13:00-15:00 | * Speaker: Shoichi Oshino (ICRR, the University of Tokyo) * Title: ''"A review on BBH formations in N-body simulations"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10440|pdf]] * Abstract: {{{ Since the first gravitational wave was detected by LIGO, several BH merging events have already been observed. However, the process of BBH formation is still unclear. Here, I introduce studies that use N-body simulations to investigate BBH formation by gravitational interactions in star clusters. |
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| * Talk2 我妻一博（Nikhef） * 「Optical lever for KAGRA」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=2396|資料]] |
}}} * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| * Seevogh (evo) 接続 | <<BR>> |
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| * Title: JGW monthly seminar * Community: Virgo - LSC * Webstart (Java) ： http://research.seevogh.com/join?meeting=MIM9Ms2e22DIDs9a98Da9I === 第65回 2014年4月11日（金） === |
=== The 99th REM: June 14th, 2019, Friday === |
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| * 場所 東京大学安東研 | * Time: 13:00-14:00 |
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| * 時間 13:00-15:00 | * Speaker: Hisaaki Shinkai (Osaka Inst. Tech.) * Title: ''"INO: Interplanetary Network of Optical Lattice Clocks"'' * ref: Int. J. Mod. Phys. D. (2019) https://doi.org/10.1142/S0218271819400029 or [[https://arxiv.org/abs/1809.10317| arXiv:1809.10317]] * [[http://www.oit.ac.jp/is/shinkai/Viewgraphs/201906_GW_INO_shinkai.pdf|slide pdf]] * Abstract {{{ The new technique of measuring frequency by optical lattice clocks now approaches to the relative precision of (\Delta f/f)=O(10^{-18}). We propose to place such precise clocks in space and to use Doppler tracking method for detecting low-frequency gravitational wave below 1 Hz. Our idea is to locate three satellites at one A.U. distance (say at L1, L4 & L5 of the Sun-Earth orbit), and apply the Doppler tracking method by communicating ``the time" each other. Applying the current available technologies, we obtain the sensitivity for gravitational wave with three or four-order improvement (h_{n}\sim 10^{-17} or 10^{-18} level in 10^{-5} Hz -- 1 Hz) than that of Cassini satellite in 2001. This sensitivity enables us to observe black-hole mergers of their mass greater than 10^5 M_\odot in the cosmological scale. Based on the hierarchical growth model of black-holes in galaxies, we estimate the event rate of detection will be 20-50 a year. We nickname "INO" (Interplanetary Network of Optical Lattice Clocks) for this system, named after Tadataka Ino (1745--1818), a Japanese astronomer, cartographer, and geodesist. |
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| * Talk1 道村唯太（安東研） * 「Hanfordに行ってきました～2014冬～」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=2327|資料]] |
}}} |
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| * Seevogh (evo) 接続 | |
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| * Title:JGW seminar * Community:Virgo - LSC * Meeting URL : http://research.seevogh.com/joinSRN?meeting=MvM2Ml2a2DD8Du999BDe9v * Webstart (Java) ：http://research.seevogh.com/join?meeting=MvM2Ml2a2DD8Du999BDe9v |
* Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| === 第64回 2014年3月7日（金） === | <<BR>> === The 98th REM: May 17th, 2019, Friday === |
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| * 場所 東大宇宙線研究所6F TV会議室 | * Time: 13:00-14:00 |
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| * 時間 13:00-15:00 | * Speaker: Federico Paoletti and Irene Fiori (European Gravitational Observatory) * Title: ''"Virgo environmental status"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10215|pdf]] * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| * Talk1 都丸 隆行 （高エネルギー加速器研究機構） * 「宇宙マイクロ波背景放射による原始重力波探査」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2249|資料]] |
<<BR>> |
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| * Talk2 Rahul Kumar (グ ラスゴー大学) * 「Development of ground based laser interferometers for the detection of gravitational waves」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2248|資料]] |
|
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| * Seevogh (evo) 接続 | == Archives for the past talks == ---- * Most of the archives for the earlier years are written in Japanese (it is a history!). . {i} [[gw_talks/archive_101_110|101-110th GW-REM talks (2019-)]] . {i} [[gw_talks/archive_91_100|91-100th GW-REM talks (2017-2019)]] . {i} [[gw_talks/archive_81_90|81-90th GW-REM talks (2016-2017) ]] . {i} [[gw_talks/archive_71_80|71-80th GW-REM talks (2014-2015) ]] . {i} [[gw_talks/archive_61_70|61-70th GW-REM talks (2013-2014) ]] . {i} [[gw_talks/archive_51_60|51-60th GW-REM talks (2012-2013) ]] . {i} [[gw_talks/archive_41_50|41-50th GW-REM talks (2011-2012) ]] . {i} [[gw_talks/archive_31_40|31-40th GW-REM talks (2010-2011) ]] . {i} [[gw_talks/archive_21_30|21-30th GW-REM talks (2009-2010) ]] . {i} [[gw_talks/archive_11_20|11-20th GW-REM talks (2008-2009) ]] . {i} [[gw_talks/archive_1_10|1-10th GW-REM talks (2007-2008) ]] |
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| * Title: JGW monthly seminar * Community: Virgo - LSC * Meeting URL * Seevogh R.N. http://research.seevogh.com/join?meeting=M9MIMi2M2eDIDs9v9uDD99 * EVO International http://evo.caltech.edu/evoNext/koala.jnlp?meeting=M9MIMi2M2eDIDs9v9uDD99 |
<<BR>> |
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| === 第63回 2014年1月24日(金) === | <<Anchor(UsefulLinks)>> == Useful links == |
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| * [[JGWDoc/HowTo/UpLoadE| How to upload presentation materials to JGW doc database]] | |
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| * 場所 東大三尾研 | * [[ZoomHowTo | How to use Zoom]] |
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| * 時間 13:00-15:00 | * [[LCGT/Meeting/EVOJ| Use of EVO remote connection system (written in Japanese) ]] |
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| * Talk1 市田 昌己(東大小芦研究室) * 「Finesse measurement of an optical cavity for vacuum induced transparency」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2152|資料]] |
* [[howtouseezuce| How to join KEK community in eZuce]] |
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| * Talk2 古谷 寛之(東大三尾研究室) * 「Measurement of Small Optical Absorption in Transparent Materials by Photo-Thermal Common-Path Interferometry」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2151|資料]] * Seevogh (evo) 接続 * Title: JGW monthly seminar * Community: Virgo - LSC * Meeting URL * Seevogh R.N. http://research.seevogh.com/join?meeting=vsvivIeue2I8Ila8aMItas * EVO International http://evo.caltech.edu/evoNext/koala.jnlp?meeting=vsvivIeue2I8Ila8aMItas === 第62回 2013年12月6日(金) === |
<<BR>> <<Anchor(HowToAnnouncements)>> == How to receive the announcements == |
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* 場所 東工大 本館 1F H176 * 時間 13:00-15:00 * Talk1 黒柳 幸子 (東京理科大学) * ｢宇宙ひも起源の重力波｣ [[http://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0020/G1302039/001/GW_Kuroyanagi.pdf|資料]] * Talk2 Ronny Nawrodt (Friedrich-Schiller-Universität Jena) * ｢Material issues for cryogenic interferometric detectors｣ [[http://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0020/G1302038/001/Nawrodt%20-%20TokyoTech%20122013-1.pdf|資料]] * Seevogh (evo) 接続 * Title: JGW monthly seminar * Community: Virgo - LSC * Meeting URL * Seevogh R.N. http://research.seevogh.com/join?meeting=MsMiMI2u22DlD99D9eDt9s * EVO International http://evo.caltech.edu/evoNext/koala.jnlp?meeting=MsMiMI2u22DlD99D9eDt9s === 第61回 2013年11月8日（金） === ---- * 場所 国立天文台 * 時間 13:00-15:00 * Talk1 苔山圭以子 (Luisiana State University) * 「リビングストン観測所近況報告」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1975|資料]] * Talk2 中野雅之（東大宇宙線研） * 「Auxiliary lock system in LIGO 40m – LIGO 40m 帰朝報告」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1973|資料]] * Seevogh (evo) 接続 * Title: JGW Monthly Seminar * Community: Virgo - LSC * Meeting URL * Seevogh R.N. http://research.seevogh.com/join?meeting=MsMiMI2u2MDMDa9i9DDt9s * EVO International http://evo.caltech.edu/evoNext/koala.jnlp?meeting=MsMiMI2u2MDMDa9i9DDt9s == これ以前の重力波研究交流会（整備中） == ---- * 第51回～第60回重力波研究交流会 * 第41回～第50回重力波研究交流会 * 第31回～第40回重力波研究交流会 * 第21回～第30回重力波研究交流会 * 第11回～第20回重力波研究交流会 * 第1回～第10回重力波研究交流会 |
. /!\ One has to subscribe to the mailing list called ''gw_comm'' in order to receive our announcement emails. Please ask one of our organizers for subscription. . The organizers can be found in [[gw_talks/what_is|this page]]. |
重力波研究交流会
GW research exchange meeting
Upcoming GW-REMs
The 103rd REM: December
- Time: 13:00-14:00
- Speaker: TBA
- Title: TBA
The 102nd REM: November 15th, 2019, Friday
- Time: 13:00-14:00
- Location: ICRR, the Kashiwanoha campus (tentative)
- Speaker: Kyohei Kawaguchi (ICRR, University of Tokyo)
Title: "Modeling gravitational waveforms and electromagnetic signals from neutron star binary mergers"
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
The past GW REM talks
The 101st REM / ISAS Astrophysics Colloquium : August 9th, 2019, Friday
- Time: 13:00-14:00
- Location: Room 1537, Bild.A, 5F in JAXA Sagamihara campus
- Speaker: Morio Toyoshima (NICT)
Title: "Recent Trends of Space Laser Communications"
- Information for Zoom remote connection
Meeting URL: https://zoom.us/j/5045179604
- password: ask an organizer
Jointly organized with the ISAS Astrophysics Colloquia
The 100th REM: July 12th, 2019, Friday
- Time: 13:00-14:00
- Speaker: Shoichi Oshino (ICRR, the University of Tokyo)
Title: "A review on BBH formations in N-body simulations"
- Abstract:
Since the first gravitational wave was detected by LIGO, several BH merging events have already been observed. However, the process of BBH formation is still unclear. Here, I introduce studies that use N-body simulations to investigate BBH formation by gravitational interactions in star clusters.
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
The 99th REM: June 14th, 2019, Friday
- Time: 13:00-14:00
- Speaker: Hisaaki Shinkai (Osaka Inst. Tech.)
Title: "INO: Interplanetary Network of Optical Lattice Clocks"
ref: Int. J. Mod. Phys. D. (2019) https://doi.org/10.1142/S0218271819400029 or arXiv:1809.10317
- Abstract
The new technique of measuring frequency by optical lattice clocks now approaches to the relative precision of (\Delta f/f)=O(10^{-18}). We propose to place such precise clocks in space and to use Doppler tracking method for detecting low-frequency gravitational wave below 1 Hz. Our idea is to locate three satellites at one A.U. distance (say at L1, L4 & L5 of the Sun-Earth orbit), and apply the Doppler tracking method by communicating ``the time" each other. Applying the current available technologies, we obtain the sensitivity for gravitational wave with three or four-order improvement (h_{n}\sim 10^{-17} or 10^{-18} level in 10^{-5} Hz -- 1 Hz) than that of Cassini satellite in 2001. This sensitivity enables us to observe black-hole mergers of their mass greater than 10^5 M_\odot in the cosmological scale. Based on the hierarchical growth model of black-holes in galaxies, we estimate the event rate of detection will be 20-50 a year. We nickname "INO" (Interplanetary Network of Optical Lattice Clocks) for this system, named after Tadataka Ino (1745--1818), a Japanese astronomer, cartographer, and geodesist.
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
The 98th REM: May 17th, 2019, Friday
- Time: 13:00-14:00
- Speaker: Federico Paoletti and Irene Fiori (European Gravitational Observatory)
Title: "Virgo environmental status"
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
Archives for the past talks
- Most of the archives for the earlier years are written in Japanese (it is a history!).
Useful links
How to receive the announcements
![/!\](/moin_static193/modern/img/alert.png "/!\")
One has to subscribe to the mailing list called gw_comm in order to receive our announcement emails. Please ask one of our organizers for subscription. The organizers can be found in this page.