%0 Journal Article
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%3 extreme event.pdf
%X The search for turbulent-like patterns in nonlinear gravitational clustering has recently advanced due to N-body simulations based on the cold dark matter scenario. In this work we present a computational statistical analysis of the formation of galaxy halos by gravitational collapse in N-body simulation from the Virgo Consortium Data. We find that rescaled data points of gravitational energy for different redshifts collapse into similar patterns, well approximated by a Generalized Extreme Value (GEV) distribution. Once similar statistical behavior was found for chaotic advection, this result is discussed in the context of non-dissipative turbulent-like behavior. From our analysis the unstable gravity field itself behaves as a chaotic advecting flow where the particles (galaxies) can be interpreted as turbulent tracers.
%@mirrorrepository sid.inpe.br/mtc-m18@80/2008/03.17.15.17.24
%8 Apr.
%N 4
%T Extreme event dynamics in the formation of galaxy-sized dark matter structures
%@secondarytype PRE PI
%K Gravitational clustering, Numerical N-body simulations, Chaotic advection, Galaxies: structure and evolution, Methods: statistical.
%@visibility shown
%@group LAC-CTE-INPE-MCT-BR
%@group LAC-CTE-INPE-MCT-BR
%@group
%@group LAC-CTE-INPE-MCT-BR
%@secondarykey INPE--PRE/
%@secondarymark A_ASTRONOMIA_/_FÍSICA A_CIÊNCIA_DA_COMPUTAÇÃO A_CIÊNCIAS_BIOLÓGICAS_II A_ENGENHARIAS_II A_ENGENHARIAS_III A_ENGENHARIAS_IV A_GEOCIÊNCIAS A_INTERDISCIPLINAR B_QUÍMICA
%@issn 0010-4655
%2 sid.inpe.br/mtc-m18@80/2009/06.26.14.57.43
%@affiliation Instituto Nacional de Pesquisas Espaciais (INPE)
%@affiliation Instituto Nacional de Pesquisas Espaciais (INPE)
%@affiliation
%@affiliation Instituto Nacional de Pesquisas Espaciais (INPE)
%B Computer Physics Communications
%P 621-624
%4 sid.inpe.br/mtc-m18@80/2009/06.26.14.57
%D 2009
%V 180
%@doi 10.1016/j.cpc.2008.11.018
%A Rosa, Reinaldo Roberto,
%A Ramos, Fernando Manuel,
%A Caretta, C. A.,
%A Campos Velho, Haroldo Fraga de,
%@dissemination WEBSCI
%@area COMP