Palabras clave
solutions of Einstein’s equations
approximation procedures
weak fields
relatividad general
soluciones de las ecuaciones de Einstein
procedimientos de aproximación
campos débiles
Cómo citar
Resumen
Se sabe que la métrica de Kerr tiene problemas al tratar de encontrar una solución física interior. En este trabajo continuamos nuestros esfuerzos para construir una métrica exterior más realista para describir objetos astrof ́ısicos. Una nueva métrica aproximada que representa el espacio-tiempo de un cuerpo cargado, giratorio y ligeramente deformado se obtiene perturbando la métrica de Kerr-Newman para incluir los ordenes de masa-cuadrupolo y cuadrupolo-cuadrupolo. Tiene una forma simple porque es similar a Kerr-Newman.
Citas
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Derechos de autor 2021 Francisco Frutos-Alfaro, Pedro Gómez-Ovares, Paulo Montero-Camacho