Cosmology and dark energy

Details Cosmology and dark energy Cosmology and dark energy

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jphcs.110a2005a&link_type=abstract

Journal of Physics: Conference Series, Volume 110, Issue 1, pp. 012005 (2008).

Physics

1

Scientific paper

Global cosmological parameters are now known to an accuracy totally unexpected ten years ago, and considerable improvements are expected in the next decade both from space missions and ground-based facilities. Although there were some early indications, convincing evidences of the existence of dark energy appeared in the late 90's. This definitely makes the measurement of cosmological parameters more complicated, because the nature of this component of the universe is totally unknown, and present data only constraints the simplest scenarios. We will review here how dark energy existence was established and confirmed, and the current observational constraints we can place. We will also describe the observational approaches expected to provide new cosmological constrains over approximately the next decade.

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