WIELGUS, Maciek, Jiří HORÁK, Frederic VINCENT and Marek ABRAMOWICZ. Reflection-asymmetric wormholes and their double shadows. Physical Review D. COLLEGE PK: AMER PHYSICAL SOC, 2020, vol. 102, No 8, p. "084044-1"-"084044-9", 9 pp. ISSN 1550-7998. Available from: https://dx.doi.org/10.1103/PhysRevD.102.084044.
Other formats:   BibTeX LaTeX RIS
Basic information
Original name Reflection-asymmetric wormholes and their double shadows
Authors WIELGUS, Maciek, Jiří HORÁK (203 Czech Republic), Frederic VINCENT and Marek ABRAMOWICZ (616 Poland, belonging to the institution).
Edition Physical Review D, COLLEGE PK, AMER PHYSICAL SOC, 2020, 1550-7998.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10308 Astronomy
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/47813059:19630/20:A0000062
Organization unit Institute of physics in Opava
Doi http://dx.doi.org/10.1103/PhysRevD.102.084044
UT WoS 000580363000001
Keywords in English SUPERMASSIVE BLACK-HOLE
Tags , FÚ2020, LTI17018, RIV21
Tags International impact, Reviewed
Links LTI17018, research and development project.
Changed by Changed by: Mgr. Pavlína Jalůvková, učo 25213. Changed: 19/4/2021 12:46.
Abstract
We discuss construction and observational properties of wormholes obtained by connecting two Reissner-Nordstrom spacetimes with distinct mass and charge parameters. These objects are spherically symmetric, but not reflection symmetric, as the connected spacetimes differ. The reflection-asymmetric wormholes may reflect a significant fraction of the infalling radiation back to the spacetime of its origin. We interpret this effect in a simple framework of the effective photon potential. Depending on the model parameters, image of such a wormhole seen by a distant observer (its "shadow") may contain a photon ring formed on the observer's side, photon ring formed on the other side of the wormhole, or both photon rings. These unique topological features would allow us to firmly distinguish this class of objects from Kerr black holes using radioastronomical observations.
PrintDisplayed: 17/5/2024 18:08