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

arXiv:2607.15219 · astro-ph.CO, gr-qc, hep-ph · Submitted 2026-07-16 · Read on arXiv

Androniki Dimitriou, Daniel G. Figueroa, Peera Simakachorn, Isak Stomberg, Bryan Zaldivar

astro-ph.CO, gr-qc, hep-ph

Submitted: 2026-07-16

Comments: 18 pages + 7 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Empirical Coverage — 12× in this paper · explained in 2 episodes
• Phase Transitions — 10× in this paper · explained in 2 episodes
• Calibration — 8× in this paper · explained in 7 episodes
• Simulation-based Inference — 4× in this paper · explained in 2 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• Robustness — 3× in this paper · explained in 5 episodes
• pulsar timing arrays — 3× in this paper · explained in 2 episodes
• Anisotropy — 2× in this paper · explained in 3 episodes
• Core — 2× in this paper · explained in 2 episodes
• Einstein Telescope — 2× in this paper
• Hubble Tension — 2× in this paper · explained in 9 episodes
• Neural Posterior Estimation — 2× in this paper
• Neural posterior estimation (NPE) — 2× in this paper · explained in 2 episodes
• Non-Gaussianity — 2× in this paper · explained in 2 episodes
• Topological Defects — 2× in this paper · explained in 2 episodes
• Amortization — 1× in this paper · explained in 1 episode
• Bispectrum — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Domain Walls — 1× in this paper · explained in 2 episodes
• Gravitational Wave Emission — 1× in this paper · explained in 2 episodes
• Laser Interferometer Space Antenna — 1× in this paper
• Normalizing Flow — 1× in this paper · explained in 3 episodes
• Reconstruction Error — 1× in this paper · explained in 2 episodes
• Reheating — 1× in this paper · explained in 2 episodes
• Using Simulation-Based Inference — 1× in this paper

Sources

• Cosmic string gravitational wave backgrounds at LISA: I. Signal survey, template reconstruction, and model comparison
• Observation of Gravitational Waves from a Binary Black Hole Merger
• GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
• GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
• GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run
• GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run
• The population of merging compact binaries inferred using gravitational waves through GWTC-3
• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals
• Search for an isotropic gravitational-wave background with the Parkes Pulsar Timing Array
• Searching for the nano-Hertz stochastic gravitational wave background with the Chinese Pulsar Timing Array Data Release I
• Sensitivity Studies for Third-Generation Gravitational Wave Observatories
• The Science of the Einstein Telescope
• Exploring the Sensitivity of Next Generation Gravitational Wave Detectors
• Cosmic Explorer: The U.S. Contribution to Gravitational-Wave Astronomy beyond LIGO
• Cosmology with the Laser Interferometer Space Antenna
• Observationally driven Galactic double white dwarf population for LISA
• Stochastic gravitational wave background from stellar origin binary black holes in LISA
• Computation of stochastic background from extreme mass ratio inspiral populations for LISA
• The Astrophysical Gravitational Wave Background in the mHz band is likely dominated by White Dwarf binaries

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