Detecting gravitational waves with light
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913857581088768 |
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| author | Pössel, Markus |
| author_facet | Pössel, Markus |
| contents | The strong evidence for low-frequency gravitational waves from pulsar timing arrays (PTAs), published in 2023, has widened the scope for teaching about gravitational wave astronomy. This article provides a simple, unified overview of the detection of gravitational waves using light waves that encompasses the recent PTA detections, the by-now classic interferometric detections using LIGO and similar detectors, and the yet-to-be-accomplished detections using long-arm detectors like the spaceborne LISA. The presentation is at a level accessible for undergraduate students. The influence of gravitational waves on light is derived in a way that makes use only of basic gravitational wave properties and Einstein's equivalence principle. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_18639 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Detecting gravitational waves with light Pössel, Markus General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Physics Education The strong evidence for low-frequency gravitational waves from pulsar timing arrays (PTAs), published in 2023, has widened the scope for teaching about gravitational wave astronomy. This article provides a simple, unified overview of the detection of gravitational waves using light waves that encompasses the recent PTA detections, the by-now classic interferometric detections using LIGO and similar detectors, and the yet-to-be-accomplished detections using long-arm detectors like the spaceborne LISA. The presentation is at a level accessible for undergraduate students. The influence of gravitational waves on light is derived in a way that makes use only of basic gravitational wave properties and Einstein's equivalence principle. |
| title | Detecting gravitational waves with light |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Physics Education |
| url | https://arxiv.org/abs/2505.18639 |