Numerical approach to the global structure of spacetimes

Hübner, Peter

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Numerical approach to the global structure of spacetimes

Hübner, P. (1996). Numerical approach to the global structure of spacetimes. Helvetica Physica Acta, 69(3), 316-320.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-5B0E-7 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-5B0F-5

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Hübner, Peter¹, Author

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1Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24012

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Abstract: In most approaches to numerical relativity it is very difficult to determine global properties of spacetimes since typically only finite regions of spacetime are evaluated. But global properties are of major interest for many fields of general relativity, e.g. cosmic censorship (existence and location of event horizons) and gravitational radiation (whose definition and determination requires knowledge of the geometry at null infinity). In this talk I will briefly outline an approach using conformal techniques to calculate global properties. The advantages of this method are demonstrated using two examples, the determination of event horizons and the decay of radiation. The calculations have been performed with a spherically symmetric spacetime using a conformal scalar field as radiation and matter model.

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Language(s): eng - English

Dates: Date issued: 1996-11

Publication Status: Issued

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Identifiers: eDoc: 330101

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Title: Helvetica Physica Acta

Alternative Title : Helv. Phys. Acta

Source Genre: Journal

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Pages: - Volume / Issue: 69 (3) Sequence Number: - Start / End Page: 316 - 320 Identifier: ISSN: 0018-0238