Using Pulsar Parameter Drifts to Detect Sub-Nanohertz Gravitational Waves Article Swipe
William DeRocco
,
Jeff A. Dror
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2212.09751
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2212.09751
Gravitational waves with frequencies below 1~nHz are notoriously difficult to detect. With periods exceeding current experimental lifetimes, they induce slow drifts in observables rather than periodic correlations. Observables with well-known intrinsic contributions provide a means to probe this regime. In this work, we demonstrate the viability of using observed pulsar timing parameters to discover such "ultralow" frequency gravitational waves, presenting two complementary observables for which the systematic shift induced by ultralow-frequency gravitational waves can be extracted. Using existing data for these parameters, we search the ultralow frequency regime for continuous-wave signals, finding a sensitivity near the expected prediction from inspirals of supermassive black holes. We do not see an excess in the data, setting a limit on the strain of $ 1.3 \times 10 ^{ - 12} $ at $ 450~{\rm pHz} $ with a sensitivity dropping approximately quadratically with frequency until $ 10~{\rm pHz}$. Our search method opens a new frequency range for gravitational wave detection and has profound implications for astrophysics, cosmology, and particle physics.
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2212.09751
- https://arxiv.org/pdf/2212.09751
- OA Status
- green
- Cited By
- 3
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4312089366
All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W4312089366Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.48550/arxiv.2212.09751Digital Object Identifier
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Using Pulsar Parameter Drifts to Detect Sub-Nanohertz Gravitational WavesWork title
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preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-12-19Full publication date if available
- Authors
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William DeRocco, Jeff A. DrorList of authors in order
- Landing page
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https://arxiv.org/abs/2212.09751Publisher landing page
- PDF URL
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https://arxiv.org/pdf/2212.09751Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
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https://arxiv.org/pdf/2212.09751Direct OA link when available
- Concepts
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Gravitational wave, Physics, Observable, Pulsar, Cosmology, Astrophysics, Sensitivity (control systems), Computational physics, Gravitation, Classical mechanics, Quantum mechanics, Engineering, Electronic engineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
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3Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1, 2024: 1, 2023: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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