Results 1 to 10 of about 49,182 (198)

Configuration Stability Analysis for Geocentric Space Gravitational-Wave Observatories [PDF]

Aerospace, 2022
Long-term configuration stability is essential for a space-based gravitational-wave observatory, which can be affected by orbit insertion errors. This paper investigated the stability of a geocentric gravitational-wave observatory from the view of the ...
Xingyu Zhou, Feida Jia, Xiangyu Li
doaj   +2 more sources

Correlation between birefringence and absorption mapping in large-size Sapphire substrates for gravitational-wave interferometry [PDF]

Scientific Reports, 2023
In high-sensitive laser interferometers, such as the gravitational-wave detector KAGRA, ultra-high-quality mirrors are essential. In the case of KAGRA, where cavity mirrors are cooled down to 20 K, large-size Sapphire crystals are used as the substrate ...
Simon Zeidler, Marc Eisenmann, Marco Bazzan, Pengbo Li, Matteo Leonardi   +4 more
doaj   +2 more sources

Acceleration noise due to space magnetic field for heliocentric gravitational wave detector [PDF]

Scientific Reports
The space-borne gravitational wave observatory is to detect low-frequency gravitational wave signals in the range of 0.1–100 mHz. The inertial sensors of space gravitational wave require very high accuracy for acceleration noise, and the interaction of ...
Jia-Hui Peng, Ji-Xiang Zhang, W. Hong, W. Su, YiWei Ni, JinHan Guo, RuiSheng Zheng   +6 more
doaj   +2 more sources

Primordial black holes and their gravitational-wave signatures [PDF]

Living Reviews in Relativity
In the recent years, primordial black holes (PBHs) have emerged as one of the most interesting and hotly debated topics in cosmology. Among other possibilities, PBHs could explain both some of the signals from binary black hole mergers observed in ...
Eleni Bagui, Sébastien Clesse, Valerio De Luca, Jose María Ezquiaga, Gabriele Franciolini, Juan García-Bellido, Cristian Joana, Rajeev Kumar Jain, Sachiko Kuroyanagi, Ilia Musco, Theodoros Papanikolaou, Alvise Raccanelli, Sébastien Renaux-Petel, Antonio Riotto, Ester Ruiz Morales, Marco Scalisi, Olga Sergijenko, Caner Ünal, Vincent Vennin, David Wands, For the LISA Cosmology Working Group   +20 more
doaj   +2 more sources

Optical sensitivities of current gravitational wave observatories at higher kHz, MHz and GHz frequencies. [PDF]

Sci Rep
Schnabel R, Korobko M.
europepmc   +3 more sources

3D characterization of low optical absorption structures in large crystalline sapphire substrates for gravitational wave detectors

Scientific Reports, 2021
Very high-quality sapphire substrates are key elements of the cryogenic Japanese gravitational interferometer KAGRA, in which they are used to build the main mirrors, working as the test masses to sense the gravitational waves.
Manuel Marchiò, Matteo Leonardi, Marco Bazzan, Raffaele Flaminio   +3 more
doaj   +1 more source

Scope Out Multiband Gravitational-Wave Observations of GW190521-Like Binary Black Holes with Space Gravitational Wave Antenna B-DECIGO

Universe, 2021
The gravitational wave event, GW190521, is the most massive binary black hole merger observed by ground-based gravitational wave observatories LIGO/Virgo to date.
Hiroyuki Nakano, Ryuichi Fujita, Soichiro Isoyama, Norichika Sago   +3 more
doaj   +1 more source

Cosmic Explorer: A Next-Generation Ground-Based Gravitational-Wave Observatory

Galaxies, 2022
Cosmic Explorer is a concept for a new laser interferometric observatory in the United States to extend ground-based gravitational-wave astrophysics into the coming decades.
Evan D. Hall 
doaj   +1 more source

Electromagnetic emission from circumbinary disk of merging black holes [PDF]

Anais da Academia Brasileira de Ciências, 2021
In the paper a scenario of an electromagnetic response formation from the merging of two black holes is considered. In this scenario it’s assumed that the binary black hole is surrounded by an accretion disk.
DMITRY V. BISIKALO, ANDREY G. ZHILKIN
doaj   +1 more source

DQSEGDB: A time-interval database for storing gravitational wave observatory metadata

SoftwareX, 2021
The Data Quality Segment Database (DQSEGDB) software is a database service, backend application programming interface (API), frontend graphical web interface, and client package used by the Laser Interferometer Gravitational-Wave Observatory, Virgo ...
Ryan P. Fisher, Gary Hemming, Marie-Anne Bizouard, Duncan A. Brown, Peter F. Couvares, Florent Robinet, Didier Verkindt   +6 more
doaj   +1 more source