BRONNIKOV, Kirill A., Roman KONOPLYA and Thomas PAPPAS. General parametrization of wormhole spacetimes and its application to shadows and quasinormal modes. Physical Review D. College Park (USA): American Physical Society, 2021, vol. 103, No 2, p. "124062-1"-"124062-20", 20 pp. ISSN 2470-0010. Available from: https://dx.doi.org/10.1103/PhysRevD.103.124062. |
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@article{58624, author = {Bronnikov, Kirill A. and Konoplya, Roman and Pappas, Thomas}, article_location = {College Park (USA)}, article_number = {2}, doi = {http://dx.doi.org/10.1103/PhysRevD.103.124062}, keywords = {black hole; shadow;quasinormal modes;wormhole background}, language = {eng}, issn = {2470-0010}, journal = {Physical Review D}, title = {General parametrization of wormhole spacetimes and its application to shadows and quasinormal modes}, url = {https://journals.aps.org/prd/abstract/10.1103/PhysRevD.103.124062}, volume = {103}, year = {2021} }
TY - JOUR ID - 58624 AU - Bronnikov, Kirill A. - Konoplya, Roman - Pappas, Thomas PY - 2021 TI - General parametrization of wormhole spacetimes and its application to shadows and quasinormal modes JF - Physical Review D VL - 103 IS - 2 SP - "124062-1"-"124062-20" EP - "124062-1"-"124062-20" PB - American Physical Society SN - 24700010 KW - black hole KW - shadow;quasinormal modes;wormhole background UR - https://journals.aps.org/prd/abstract/10.1103/PhysRevD.103.124062 N2 - The general parametrization for spacetimes of spherically symmetric Lorentzian, traversable wormholes in an arbitrary metric theory of gravity is presented. The parametrization is similar in spirit to the post-Newtonian parametrized formalism, but with validity that extends beyond the weak field region and covers the whole space. Our method is based on a continued-fraction expansion in terms of a compactified radial coordinate. Calculations of shadows and quasinormal modes for various examples of parametrization of known wormhole metrics that we have performed show that, for most cases, the parametrization provides excellent accuracy already at the first order. Therefore, only a few parameters are dominant and important for finding potentially observable quantities in a wormhole background. We have also extended the analysis to the regime of slow rotation. ER -
BRONNIKOV, Kirill A., Roman KONOPLYA and Thomas PAPPAS. General parametrization of wormhole spacetimes and its application to shadows and quasinormal modes. \textit{Physical Review D}. College Park (USA): American Physical Society, 2021, vol.~103, No~2, p.~''124062-1''-''124062-20'', 20 pp. ISSN~2470-0010. Available from: https://dx.doi.org/10.1103/PhysRevD.103.124062.
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