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Self-gravitating systems in a three-dimensional expanding universe
RISE, Swedish ICT, SICS.
2002 (English)In: European journal of physics, ISSN 0143-0807, E-ISSN 1361-6404Article in journal (Refereed) Published
Abstract [en]

The non-linear evolution of one-dimensional perturbations in a three-dimensional expanding Universe is considered. A general Lagrangian scheme is derived, and compared to two previously introduced approximate models. These models are simulated with heap-based event-driven numerical procedure that allows for the study of large systems, averaged over many realisations of random initial conditions. One of the models is shown to be qualitatively, and, in some respects, concerning mass aggregation, quantitatively similar to the adhesion model.

Place, publisher, year, edition, pages
2002, 1.
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-22480OAI: oai:DiVA.org:ri-22480DiVA: diva2:1042045
Available from: 2016-10-31 Created: 2016-10-31 Last updated: 2018-01-14Bibliographically approved

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CiteExportLink to record
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