Non-universal scalar-tensor theories and big bang nucleosynthesis

Дата и время публикации : 2008-11-12T09:25:02Z

Авторы публикации и институты :
Alain Coc
Keith A. Olive
Jean-Philippe Uzan
Elisabeth Vangioni

Ссылка на журнал-издание: Phys.Rev.D79:103512,2009
Коментарии к cтатье: 28 pages, 20 figures
Первичная категория: astro-ph

Все категории : astro-ph

Краткий обзор статьи: We investigate the constraints that can be set from big-bang nucleosynthesis on two classes of models: extended quintessence and scalar-tensor theories of gravity in which the equivalence principle between standard matter and dark matter is violated. In the latter case, and for a massless dilaton with quadratic couplings, the phase space of theories is investigated. We delineate those theories where attraction toward general relativity occurs. It is shown that big-bang nucleosynthesis sets more stringent constraints than those obtained from Solar system tests.

Category: Physics