𝔖 Bobbio Scriptorium
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Dark energy and cosmic sound

✍ Scribed by D.J. Eisenstein


Book ID
104067361
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
171 KB
Volume
49
Category
Article
ISSN
1387-6473

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A dynamical scalar field represents the simplest generalization of a pure Cosmological Constant as a candidate to explain the recent evidence in favour of the accelerated cosmic expansion. We review the dynamical properties of such a component, and argue that, even if the background expectation valu