BAO Cosmography

Ruth Lazkoz

doi:10.1088/1475-7516/2013/12/005

2013-12-02

Ruth Lazkoz *

J. S. Alcaniz

Celia Escamilla‐Rivera

Vincenzo Salzano

Irene Sendra

DOI：10.1088/1475-7516/2013/12/005

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摘要

En 中文

Cosmography provides a model-independent way to map the expansion history of the Universe. In this paper we simulate a Euclid-like survey and explore cosmographic constraints from future Baryonic Acoustic Oscillations (BAO) observations. We derive general expressions for the BAO transverse and radial modes and discuss the optimal order of the cosmographic expansion that provides reliable cosmological constraints. Through constraints on the deceleration and jerk parameters, we show that future BAO data have the potential to provide a model-independent check of the cosmic acceleration as well as a discrimination between the standard Lambda CDM model and alternative mechanisms of cosmic acceleration.

Keyword:

dark energy theory

baryon acoustic oscillations

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对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。

期刊

Journal of Cosmology and Astroparticle Physics

IF:

5.9

论文数:

1.3W

被引数:

4.7W

机构

university of basque country

学者数:

1.9W

论文数: 1.6W

被引数: 17

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