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Related papers: Simulating the formation of cosmic structure

200 papers

High resolution gravity plus smoothed particle hydrodynamics simulations are used to study the formation of galaxies within the context of hierarchical structure formation. The simulations have sufficient dynamic range to resolve from ten…

Astrophysics · Physics 2007-05-23 F J Summers

We show that recently documented trends in galaxy sizes with mass and redshift can be understood in terms of the influence of underlying cosmic evolution; a holistic view which is complimentary to interpretations involving the accumulation…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 M. J. Stringer , F. Shankar , G. S. Novak , M. Huertas-Company , F. Combes , B. P. Moster

In this review I give a summary of the state-of-the-art for what concerns the chemo-dynamical numerical modelling of galaxies in general and of dwarf galaxies in particular. In particular, I focus my attention on (i) initial conditions;…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 S. Recchi

Cosmology is undergoing an explosive period of activity, fueled both by new, accurate astrophysical data and by innovative theoretical developments. Cosmological parameters such as the total density of the Universe and the rate of…

Astrophysics · Physics 2007-05-23 A. S. Sakharov , H. Hofer

Despite containing about a half of the total matter in the Universe, at most wavelengths the filamentary structure of the cosmic web is difficult to observe. In this work, we use large unigrid cosmological simulations to investigate how the…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-17 Claudio Gheller , Franco Vazza , Marcus Brueggen , Mehmet Alpaslan , Benne Willem Holwerda , Andrew Hopkins , Jochen Liske

I review the current status of theoretical studies of galaxy formation. I outline the importance of the physics of baryonic component in galaxy formation by showing results obtained by using two major tools, semi-analytical approaches and…

Astrophysics · Physics 2008-07-18 Takashi Okamoto

We review recent progress in the description of the formation and evolution of galaxy clusters in a cosmological context by using numerical simulations. We focus our presentation on the comparison between simulated and observed X-ray…

Cosmology and Nongalactic Astrophysics · Physics 2014-03-05 Stefano Borgani , Andrey Kravtsov

We compare predictions of a number of empirical models and numerical simulations of galaxy formation to the conditional stellar mass functions (CSMF)of galaxies in groups of different masses obtained recently by Lan et al. to test how well…

Astrophysics of Galaxies · Physics 2016-10-12 Seunghwan Lim , Houjun Mo , Ting-Wen Lan , Brice Ménard

Observations of high redshift galaxies have revealed a multitude of large clumpy rapidly star-forming galaxies. Their formation scenario and their link to present day spirals is still unknown. In this Letter we perform adaptive mesh…

Astrophysics of Galaxies · Physics 2015-05-13 Oscar Agertz , Romain Teyssier , Ben Moore

Observations of redshift-space distortions in spectroscopic galaxy surveys offer an attractive method for observing the build-up of cosmological structure. In this paper we develop and test a new statistic based on anisotropies in the…

Astrophysics · Physics 2009-11-13 Will J Percival , Martin White

We perform large-scale cosmological simulations that solve Einstein's equations directly via numerical relativity. Starting with initial conditions sampled from the cosmic microwave background, we track the emergence of a cosmic web without…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-27 Hayley J. Macpherson , Daniel J. Price , Paul D. Lasky

An approximate statistical description of the formation and evolution of structure of the universe based on the Zel'dovich theory of gravitational instability is proposed. It is found that the evolution of DM structure shows features of…

Astrophysics · Physics 2009-10-31 M. Demianski , A. Doroshkevich

The formation and evolution of galaxies can be followed in the context of cosmological structure formation using the technique of semi-analytic modelling. We give a brief outline of the features incorporated into the semi-analytic model of…

Astrophysics · Physics 2007-05-23 C. M. Baugh , A. J. Benson , S. Cole , C. S. Frenk , C. G. Lacey

Galaxies are not distributed randomly throughout space but are instead arranged in an intricate "cosmic web" of filaments and walls surrounding bubble-like voids. There is still no compelling observational evidence of a link between the…

Astrophysics · Physics 2009-11-13 Ignacio Trujillo , Conrado Carretero , Santiago G. Patiri

This chapter aims to present an introduction to current research on the nature of the cosmological dark matter and the origin of galaxies and large scale structure within the standard theoretical framework: gravitational collapse of…

Astrophysics · Physics 2008-02-03 Joel R. Primack

I review progress in the past few years in studying the large-scale structure of the universe through redshift surveys of galaxies. Of the many statistical methods used to describe the galaxy distribution, I concentrate here on the power…

Astrophysics · Physics 2007-05-23 Michael A. Strauss

I review the current state of numerical simulations of stellar feedback in the context of star formation at scales ranging from the formation of individual stars to models of galaxy formation including cosmic reionisation. I survey the…

Astrophysics of Galaxies · Physics 2015-08-26 James E. Dale

This year marks the 20th anniversary of the effective beginning of large, systematic redshift surveys of galaxies. These surveys have had a major impact on observational cosmology and on our current understanding of large-scale structures…

Astrophysics · Physics 2007-05-23 Luiz da Costa

Although the basic physics of star formation is classical, numerical simulations have yielded essential insights into how stars form. They show that star formation is a highly nonuniform runaway process characterized by the emergence of…

Astrophysics · Physics 2008-11-26 Richard B. Larson