模拟在宇宙学和星系形成中的作用--NOVICOSMO 2008学术研讨会综述
The Impact of Simulations in Cosmology and Galaxy Formation A summary of the Workshop NOVICOSMO 2008
摘要：
在宇宙结构形成过程的研究中，数值模拟是将观测数据与理论模型相结合并研究其他未探索问题的关键工具。在过去的几年里，由于复杂代码的可用性，已经取得了巨大的进步，现在可以通过覆盖越来越大的动力学范围来解决宇宙结构形成和随后演变的问题。此外，计算宇宙学是对来自河外巡天和大量单个天体样本的大量新数据的理想解释框架。在SISSA举办的2008年Novicosmo“模拟对宇宙学和星系形成的影响”讲习班旨在提供最新的宇宙学和星系形成数值模拟的最新技术水平。特别强调了在模拟代码中实施新的物理过程，不同代码和数值方案之间的比较，以及如何使用下一代最好的超级计算设施。最后，还重点讨论了这一新的研究途径对我们认识宇宙物理学的影响。讲习班分为三个部分，（大致）对应于三个主要研究领域：再电离和星系间介质;星系中的暗物质和发光物质;星系团和大尺度结构。本文将提供i）研讨会科学成果的简短简历ii）演讲的完整列表以及如何检索相关（powerpoint）演示文稿的.pdf的说明iii）相关展览“空间艺术”的简要介绍
英文摘要：
In the study of the process of cosmic structure formation numerical simulations are crucial tools to interface observational data to theoretical models and to investigate issues otherwise unexplored. Enormous advances have been achieved in the last years thanks to the availability of sophisticated codes, now allowing to tackle the problem of cosmic structure formation and subsequent evolution by covering larger and larger dynamical ranges. Moreover, computational cosmology is the ideal interpretative framework for the overwhelming amount of new data from extragalactic surveys and from large sample of individual objects. The Workshop Novicosmo 2008 "The Impact of Simulations in Cosmology and Galaxy Formation' held in SISSA was aimed at providing the state-of-the-art on the latest numerical simulations in Cosmology and in Galaxy Formation. Particular emphasis was given to the implementation of new physical processes in simulation codes, to the comparison between different codes and numerical schemes and how to use best supercomputing facilities of the next generation. Finally, the impact on our knowledge on the Physics of the Universe brought by this new channel of investigation has also been focused. The Workshop was divided in three sections corresponding (roughly) to three main areas of study: Reionization and Intergalactic medium; Dark and Luminous matter in galaxies; Clusters of galaxies and Large scale Structures. This paper will provide i) a short resume' of the scientific results of the Workshop ii) the complete list of the talks and the instructions on how to retrieve the .pdf of the related (powerpoint) presentations iii) a brief presentation of the associated Exhibition "Space Art"
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