TY - JOUR
T1 - Fitting oscillating string gas cosmology to supernova data
AU - Ferrer, Francesc
AU - Multamäki, Tuomas
AU - Räsänen, Syksy
PY - 2009
Y1 - 2009
N2 - In string gas cosmology, extra dimensions are stabilised by a gas of strings. In the matter-dominated era, competition between matter pushing the extra dimensions to expand and the string gas pulling them back can lead to oscillations of the extra dimensions and acceleration in the visible dimensions. We fit this model to supernova data, taking into account the Big Bang Nucleosynthesis constraint on the energy density of the string gas. The fit to the Union set of supernova data is acceptable, but the fit to the ESSENCE data is poor.
AB - In string gas cosmology, extra dimensions are stabilised by a gas of strings. In the matter-dominated era, competition between matter pushing the extra dimensions to expand and the string gas pulling them back can lead to oscillations of the extra dimensions and acceleration in the visible dimensions. We fit this model to supernova data, taking into account the Big Bang Nucleosynthesis constraint on the energy density of the string gas. The fit to the Union set of supernova data is acceptable, but the fit to the ESSENCE data is poor.
KW - Strings and branes phenomenology
UR - https://www.scopus.com/pages/publications/67649544147
U2 - 10.1088/1126-6708/2009/04/006
DO - 10.1088/1126-6708/2009/04/006
M3 - Article
AN - SCOPUS:67649544147
SN - 1126-6708
VL - 2009
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
IS - 4
M1 - 006
ER -