16 citations · 19 across the 2 of their papers we have counts for
2 papers
gr-qc2015★ 3 cited
Power spectra in extended tachyon cosmologies
Iván E. Sánchez G., Osvaldo P. Santillán
In the present work the power spectrum of a particular class of tachyon fields is compared with the one corresponding to a cosmological constant model. This is done for different b…
gr-qc2014★ 16 cited
Dark matter interacts with variable vacuum energy
Iván E. Sánchez G
We investigate a spatially flat Friedmann-Robertson-Walker (FRW) scenario with two interacting components, dark matter and variable vacuum energy (VVE) densities, plus two decouple…