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@article{1312114,
author = {Dalianis, Ioannis and Farakos, Fotis},
article_number = {7},
keywords = {HIGHER-DERIVATIVE SUPERGRAVITY; MINIMAL SUPERGRAVITY; AUXILIARY FIELDS; MODELS; UNIVERSE; MATTER; PARADIGM},
language = {eng},
issn = {1475-7516},
journal = {JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS},
title = {On the initial conditions for inflation with plateau potentials: the R plus R-2 (super)gravity case},
url = {http://iopscience.iop.org/article/10.1088/1475-7516/2015/07/044/meta},
volume = {2015},
year = {2015}
}
TY - JOUR
ID - 1312114
AU - Dalianis, Ioannis - Farakos, Fotis
PY - 2015
TI - On the initial conditions for inflation with plateau potentials: the R plus R-2 (super)gravity case
JF - JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
VL - 2015
IS - 7
SP - "nestránkováno"
EP - "nestránkováno"
SN - 14757516
KW - HIGHER-DERIVATIVE SUPERGRAVITY
KW - MINIMAL SUPERGRAVITY
KW - AUXILIARY FIELDS
KW - MODELS
KW - UNIVERSE
KW - MATTER
KW - PARADIGM
UR - http://iopscience.iop.org/article/10.1088/1475-7516/2015/07/044/meta
L2 - http://iopscience.iop.org/article/10.1088/1475-7516/2015/07/044/meta
N2 - We discuss the initial conditions problem for inflation driven by the vacuum energy of a plateau potential, and in particular the Starobinsky inflation. We show that the supergravity embedding of the R+R2 theory naturally decreases the size of the acausal homogeneity, required for the low-scale inflation to occur, thanks to the presence of the dynamical pure supergravitational ``auxiliary'' fields. We examine the evolution of the R+R2 fields within a FLRW Universe. We also find a dependence of the initial conditions problem on the background spatial curvature.
ER -
DALIANIS, Ioannis a Fotis FARAKOS. On the initial conditions for inflation with plateau potentials: the R plus R-2 (super)gravity case. \textit{JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS}. 2015, roč.~2015, č.~7, s.~''nestránkováno'', 29 s. ISSN~1475-7516.
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