Turbulence models of gravitational clustering.

Gaite Cuesta, José (2011). Turbulence models of gravitational clustering.. In: "Spanish Relativity Meeting ERE 2011", 29/08/2011 - 02/09/2011, Madrid, España. pp.. https://doi.org/10.1063/1.4734445.

Description

Title: Turbulence models of gravitational clustering.
Author/s:
  • Gaite Cuesta, José
Item Type: Presentation at Congress or Conference (Article)
Event Title: Spanish Relativity Meeting ERE 2011
Event Dates: 29/08/2011 - 02/09/2011
Event Location: Madrid, España
Title of Book: Proceedings of Spanish Relativity Meeting ERE 2011
Date: 2011
Subjects:
Faculty: Instituto de Microgravedad Ignacio Da Riva (UPM)
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Large-scale structure formation can be modeled as a nonlinear process that transfers energy from the largest scales to successively smaller scales until it is dissipated, in analogy with Kolmogorov’s cascade model of incompressible turbulence. However, cosmic turbulence is very compressible, and vorticity plays a secondary role in it. The simplest model of cosmic turbulence is the adhesion model, which can be studied perturbatively or adapting to it Kolmogorov’s non-perturbative approach to incompressible turbulence. This approach leads to observationally testable predictions, e.g., to the power-law exponent of the matter density two-point correlation function.

More information

Item ID: 13562
DC Identifier: http://oa.upm.es/13562/
OAI Identifier: oai:oa.upm.es:13562
DOI: 10.1063/1.4734445
Official URL: http://teorica.fis.ucm.es/ERE2011/
Deposited by: Memoria Investigacion
Deposited on: 16 Oct 2012 11:15
Last Modified: 21 Apr 2016 12:53
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