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Gravitational wave background
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The gravitational wave background (also GWB and stochastic background) is a random background of gravitational waves permeating the Universe, which is detectable by gravitational-wave experiments, like pulsar timing arrays.[1] The signal may be intrinsically random, like from stochastic processes in the early Universe, or may be produced by an incoherent superposition of a large number of weak independent unresolved gravitational-wave sources, like supermassive black-hole binaries. Detecting the gravitational wave background can provide information that is inaccessible by any other means about astrophysical source population, like hypothetical ancient supermassive black-hole binaries, and early Universe processes, like hypothetical primordial inflation and cosmic strings.[2]
- ^ O'Callaghan, Jonathan (4 August 2023). "A Background 'Hum' Pervades the Universe. Scientists Are Racing to Find Its Source - Astronomers are now seeking to pinpoint the origins of an exciting new form of gravitational waves that was announced earlier this year". Scientific American. Archived from the original on 4 August 2023. Retrieved 4 August 2023.
- ^ Cite error: The named reference
RomanoCornish2017was invoked but never defined (see the help page).
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خلفية الموجة الثقالية Arabic Ona gravitatòria còsmica de fons Catalan Fondo estocástico de ondas gravitatorias Spanish زمینه موج گرانشی FA Fond stochastique d'ondes gravitationnelles French 중력파 배경 Korean Fundo de onda gravitacional Portuguese Kütleçekimsel dalga arka planı Turkish Гравітаційно-хвильовий фон Ukrainian 重力波背景 Chinese
