Outgoing electromagnetic flux from rotating wormholes
Milos Ertola Urtubey (Instituto Argentino de Radioastronomía (IAR, CONICET/CIC/UNLP), Villa Elisa, C.C.5, Buenos Aires, 1894, Argentina); Daniela Pérez (Instituto Argentino de Radioastronomía (IAR, CONICET/CIC/UNLP), Villa Elisa, C.C.5, Buenos Aires, 1894, Argentina)
; Gustavo Romero (Instituto Argentino de Radioastronomía (IAR, CONICET/CIC/UNLP), Villa Elisa, C.C.5, Buenos Aires, 1894, Argentina, Facultad de Ciencias Astronómicas y GEOFŚICAS, Universidad Nacional de La Plata, La Plata, Buenos Aires, 1900, Argentina)
We show for the first time that rotating wormholes are capable of emitting a Poynting flux in the process of accreting magnetized matter. To this end, we analyze the Damour–Solodukhin metric describing a Kerr-type wormhole and calculate the electromagnetic flux assuming a specific geometry for the magnetic field contained by the wormhole ergosphere. We find that for highly rotating wormholes a mechanism similar to that of Blandford and Znajek is possible, and the emitted electromagnetic flux is of the same order as for a Kerr black hole.