Maximal extension of the Schwarzschild metric: From Painlevé–Gullstrand to Kruskal–Szekeres

Publication date: Available online 17 May 2021Source: Annals of PhysicsAuthor(s): José P.S. Lemos, Diogo L.F.G. Silva

Source: Annals of Physics - May 19, 2021 Category: Physics Source Type: research