Unruh model for the Einstein-Rosen charge: Squealing Wormholes?

Details Unruh model for the Einstein-Rosen charge: Squealing Wormholes? Unruh model for the Einstein-Rosen charge: Squealing Wormholes?

2004-10-12

arxiv.org/abs/gr-qc/0410052v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages

Scientific paper

We present two kinds of acoustic models for the massless electric charge conceived by Einstein and Rosen in the form of a bridge (wormhole throat). It is found that the first kind of modelling requires a thin layer of exotic matter at the bridge. We also derive an acoustic equation that exclusively characterizes the model. Using a second kind of model, it is demonstrated that the Einstein-Rosen charge has a sonic Hawking-Unruh temperature proportional to +-1/$beta$, where $beta$ is the size of the charge. This suggests that (squealing!) wormholes can also be formally accommodated into Unruh's fluid model.

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