RT Journal Article T1 Radial perturbations of charged wormholes A1 Blázquez Salcedo, José Luis A1 González Romero, Luis Manuel A1 Khoo, Fech Scen A1 Kunz, Jutta A1 Navarro Moreno, Pablo AB Ellis-Bronnikov wormholes suffer from an unstable radial mode. Here we investigate the evolution of the unstable mode(s) for charged wormholes. We show that the instability remains in the presence of charge, but exhibits a very fast decrease to zero. We hereby make a full study of the spectrum of the unstable radial modes. For so-called supercritical wormholes, two purely imaginary unstable modes merge and continue with degenerate imaginary parts and opposite real parts. By analogy, we conjecture an analogous behavior for rotating chargeless wormholes. PB Elsevier SN 0370-2693 YR 2026 FD 2026-04 LK https://hdl.handle.net/20.500.14352/134846 UL https://hdl.handle.net/20.500.14352/134846 LA eng NO J.L. Blázquez-Salcedo, L.M. González-Romero, F.S. Khoo, J. Kunz, P. Navarro Moreno, Radial perturbations of charged wormholes, Physics Letters B 875 (2026) 140335. https://doi.org/10.1016/j.physletb.2026.140335 NO © 2026 The Author(s).2024-T1/COM-31385.CT25/24 ; IPARCOS-UCM/2024. NO Ministerio de Ciencia, Innovación y Universidades (España) NO Agencia Estatal de Investigación (España) NO European Commission NO Comunidad de Madrid NO Universidad Complutense de Madrid DS Docta Complutense RD 30 abr 2026