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Showing 1–6 of 6 results
Advanced filters: Author: B. S. Sathyaprakash Clear advanced filters

  • In the past few years, gravitational-wave observations provided stunning insights into some of the most cataclysmic events in the Universe, heralding a bright future for gravitational-wave physics and astronomy. This is a Roadmap for the field in the coming two decades.

    • M. Bailes
    • B. K. Berger
    • S. Vitale
    Reviews
    Nature Reviews Physics
    Volume: 3, P: 344-366

  • Squeezed states of light have been experimentally demonstrated to improve the performance of the Laser Interferometer Gravitational-wave Observatory (LIGO) in astrophysically relevant frequency regions. This enhanced performance may help to reach the sensitivity required for detecting gravitational waves.

    • J. Aasi
    • J. Abadie
    • J. Zweizig
    Research
    Nature Photonics
    Volume: 7, P: 613-619

  • The astronomical event GW170817, detected in gravitational and electromagnetic waves, is used to determine the expansion rate of the Universe, which is consistent with and independent of existing measurements.

    • B. P. Abbott
    • R. Abbott
    • M. Serra-Ricart
    Research
    Nature
    Volume: 551, P: 85-88

  • ‘Squeezed light’ enables quantum noise in one aspect of light to be reduced by increasing the noise, or more accurately the quantum uncertainty, of a complementary aspect. This has now been used to push the detectors at the heart of the GEO600 gravitational wave observatory to unprecedented levels of sensitivity.

    • J. Abadie
    • B. P. Abbott
    • J. Zweizig
    Research
    Nature Physics
    Volume: 7, P: 962-965

  • A stochastic background of gravitational waves is expected to arise from a superposition of a large number of unresolved gravitational-wave sources and should carry unique signatures from the earliest epochs of the Universe. Limits on the amplitude of the stochastic gravitational-wave background are now reported using the data from a two-year science run of the Laser Interferometer Gravitational-wave Observatory. These limits rule out certain models of early Universe evolution.

    • B. P. Abbott
    • R. Abbott
    • J. Zweizig
    Research
    Nature
    Volume: 460, P: 990-994

  • Multi-messenger astrophysics is an emerging discipline that combines the information from cosmic rays, neutrinos, gravitational waves and photons emitted by cosmic sources. This overview of the field highlights its challenges and exciting opportunities.

    • Péter Mészáros
    • Derek B. Fox
    • Kohta Murase
    Reviews
    Nature Reviews Physics
    Volume: 1, P: 585-599