Wave optics for rotating stars
Gravitational lensing in wave optics is a rich field combining caustic singularities, general relativity and interference phenomena. We present a detailed evaluation of wave optics effects resulting from the frame-dragging of a rotating star modeled by a Lense-Thirring spacetime. We demonstrate that, contrary to what was previously stated in the literature (see e.g. [C. Baraldo , ]), the spin of the star leaves an intricate imprint on the interference fringes and the caustics of the lensed source. This interference pattern can in principle be used to directly measure the spin of the lens.
Authors
- Ariadna Ribes Metidieri (ORCID: https://orcid.org/0009-0001-4084-2259)
- Béatrice Bonga (ORCID: https://orcid.org/0000-0002-5808-9517)
- Job Feldbrugge (ORCID: https://orcid.org/0000-0003-2414-8707)
Institutions
- Radboud University Nijmegen (NL)
- University of Edinburgh (GB)
Publication Details
- Journal
- Physical review. D/Physical review. D.
- Published
- 2025-03-24
- DOI
- https://doi.org/10.1103/physrevd.111.063061
- Citations
- 3
- Primary Topic
- Pulsars and Gravitational Waves Research
- Type
- article
- Field-Weighted Citation Impact
- 3.46
Funders
- Innovation, Science and Economic Development Canada
- Government of Canada
- University of Edinburgh
- Institut Périmètre de physique théorique
- Ministry of Colleges and Universities
- Science and Technology Facilities Council