On the relation between boundary proposals and hidden symmetries of the extended pre-big bang quantum cosmology
arXiv:1412.6439 · doi:10.1140/epjc/s10052-014-3241-4
Abstract
A framework associating quantum cosmological boundary conditions to minisuperspace hidden symmetries has been introduced in \cite{7}. The scope of the application was, notwithstanding the novelty, restrictive because it lacked a discussion involving realistic matter fields. Therefore, in the herein letter, we extend the framework scope to encompass elements from a scalar-tensor theory in the presence of a cosmological constant. More precisely, it is shown that hidden minisuperspace symmetries present in a pre-big bang model suggest a process from which boundary conditions can be selected.
15 pages, no figures, to appear in European Physical Journal C