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Gravitational wave bursts from cosmic strings

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arxiv gr-qc/0004075 v1 pith:I67ZOXDT submitted 2000-04-26 gr-qc astro-phhep-phhep-th

Gravitational wave bursts from cosmic strings

classification gr-qc astro-phhep-phhep-th
keywords burstsgravitationalbeamscosmicmightstringswavesabove
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Cusps of cosmic strings emit strong beams of high-frequency gravitational waves (GW). As a consequence of these beams, the stochastic ensemble of gravitational waves generated by a cosmological network of oscillating loops is strongly non Gaussian, and includes occasional sharp bursts that stand above the rms GW background. These bursts might be detectable by the planned GW detectors LIGO/VIRGO and LISA for string tensions as small as $G \mu \sim 10^{-13}$. The GW bursts discussed here might be accompanied by Gamma Ray Bursts.

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Cited by 9 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Metastable cosmic strings are broken at the start

    hep-ph 2026-01 conditional novelty 7.0

    Metastable cosmic-string networks are typically broken within a Hubble time of formation by finite-temperature effects or by pre-existing monopoles, so matching NANOGrav requires m_M^2/μ ≳ 10^3.

  2. Searching for a waveform-agnostic gravitational wave signal in pulsar timing arrays

    gr-qc 2026-05 unverdicted novelty 6.0

    Presents a new Fourier-expansion Bayesian hierarchical model with Lorentzian hyperprior for waveform-agnostic searches of nanohertz gravitational wave sources in pulsar timing array data.

  3. Finding Supermassive Black Hole Binary Mergers in Pulsar Timing Array Data

    astro-ph.HE 2025-10 conditional novelty 6.0

    A complete SMBHB waveform model enables unified PTA searches for mergers and memory signals, with parameter recovery shown on simulated data for 10^8-10^10 solar mass systems.

  4. Cosmic string gravitational wave backgrounds at LISA: II. Reconstruction of conventional signals over astrophysical foregrounds

    astro-ph.CO 2026-07 conditional novelty 5.0

    When realistic astrophysical foregrounds are included, LISA can reconstruct the cosmic-string tension to 10% precision only for Gμ ≳ 10^{-11}, 10^5 times larger than foreground-free forecasts.

  5. Gravitational waves from cosmic strings with friction: analytical approximations and parameter space

    astro-ph.CO 2026-05 unverdicted novelty 5.0

    Analytical approximations for the ultra-high-frequency GW peak sourced by friction-era cosmic string loops, with expanded observable parameter space.

  6. Gravitational Waves in High Energy Fixed-Target Collisions

    gr-qc 2026-05 unverdicted novelty 5.0

    In linearized gravity, the plane-fronted shockwave from an ultrarelativistic particle hitting a massive particle at rest generates a secondary spherical gravitational shockwave whose amplitude and the collision's grav...

  7. Searching Stochastic Gravitational Wave Background Landscape Across Frequency Bands

    gr-qc 2025-11 conditional novelty 5.0

    A hybrid cosmic string–domain wall model can fit the NANOGrav 15-year signal, and its high-frequency tail lies within LISA's projected reach, making the interpretation testable.

  8. Cosmic Strings as Dynamical Dark Energy: Novel Constraints

    astro-ph.CO 2025-05 conditional novelty 4.0

    Cosmic string networks are constrained to less than ~1% of the energy density using CMB+BAO+SN data, with some models preferring mildly negative densities but no Bayesian evidence favoring them over LambdaCDM.

  9. Waveform Modelling for the Laser Interferometer Space Antenna

    gr-qc 2023-11 unverdicted novelty 2.0

    A review of existing waveform models for LISA sources and the challenges that must still be overcome.