Quasinormal modes of massive scalar fields in four-dimensional wormholes: Anomalous decay rate

P. A. González, Eleftherios Papantonopoulos, Ángel Rincón, and Yerko Vásquez

Phys. Rev. D 106, 024050 – Published 28 July 2022

Abstract

In this work we consider a generalized Bronnikov-Ellis wormhole and the tideless Morris-Thorne wormhole and we study the propagation of massive scalar fields. We calculate the quasinormal frequencies using the Wentzel-Kramers-Brillouin method and the pseudospectral Chebyshev method and we show the presence of an anomalous decay rate for the quasinormal modes in the generalized Bronnikov-Ellis wormhole. However, such anomalous behavior is avoided for the fundamental mode in the Morris-Thorne wormhole background.

Received 23 May 2022
Accepted 19 July 2022

DOI:https://doi.org/10.1103/PhysRevD.106.024050

Physics Subject Headings (PhySH)

Alternative gravity theories General relativity

Gravitation, Cosmology & Astrophysics

Authors & Affiliations

P. A. González^1,*, Eleftherios Papantonopoulos^2,†, Ángel Rincón^3,‡, and Yerko Vásquez ^4,§

¹Facultad de Ingeniería y Ciencias, Universidad Diego Portales, Avenida Ejército Libertador 441, Casilla 298-V, Santiago, Chile
²Physics Division, National Technical University of Athens, 15780 Zografou Campus, Athens, Greece
³Departamento de Física Aplicada, Universidad de Alicante, Campus de San Vicente del Raspeig, E-03690 Alicante, Spain
⁴Departamento de Física, Facultad de Ciencias, Universidad de La Serena, Avenida Cisternas 1200, La Serena, Chile

^*pablo.gonzalez@udp.cl
^†lpapa@central.ntua.gr
^‡angel.rincon@ua.es
^§yvasquez@userena.cl

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Issue

Vol. 106, Iss. 2 — 15 July 2022

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Physical Review D

covering particles, fields, gravitation, and cosmology