Einstein–Rosen metric

The Einstein-Rosen metric refers to a solution to the Einstein field equations of general relativity that describes a specific type of spacetime geometry. It is typically associated with the Einstein-Rosen bridge, also known as a wormhole. Here's an overview of its key aspects: ### Origin The Einstein-Rosen bridge concept was introduced in 1935 by Albert Einstein and Nathan Rosen in their paper titled "The Particle Problem in the General Theory of Relativity.