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Testing Cosmological Models with Type Ic Super Luminous Supernovae
The use of type Ic Super Luminous Supernovae (SLSN Ic) to examine the
cosmological expansion introduces a new standard ruler with which to test
theoretical models. The sample suitable for this kind of work now includes 11
SLSNe Ic, which have thus far been used solely in tests involving CDM.
In this paper, we broaden the base of support for this new, important cosmic
probe by using these observations to carry out a one-on-one comparison between
the and CDM cosmologies. We individually optimize the
parameters in each cosmological model by minimizing the statistic.
We also carry out Monte Carlo simulations based on these current SLSN Ic
measurements to estimate how large the sample would have to be in order to rule
out either model at a confidence level. The currently available
sample indicates a likelihood of that the
Universe is the correct cosmology versus for the standard
model. These results are suggestive, though not yet compelling, given the
current limited number of SLSNe Ic. We find that if the real cosmology is
CDM, a sample of SLSNe Ic would be sufficient to rule out
at this level of confidence, while SLSNe Ic would be
required to rule out CDM if the real Universe is instead . This difference in required sample size reflects the greater number of
free parameters available to fit the data with CDM. If such SLSNe Ic
are commonly detected in the future, they could be a powerful tool for
constraining the dark-energy equation of state in CDM, and
differentiating between this model and the Universe.Comment: 33 pages, 9 figures, 1 table. Accepted for publication in AJ. arXiv
admin note: text overlap with arXiv:1405.2388, arXiv:1410.0875; text overlap
with arXiv:1409.4429 by other author
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