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pro vyhledávání: '"Tapia, Truman"'
Recent observations of high-redshift galaxies have revealed starburst galaxies with excessive amounts of nitrogen, well above that expected in standard evolutionary models. The Sunburst Arc galaxy, particularly its young and massive star cluster, rep
Externí odkaz:
http://arxiv.org/abs/2409.12605
Autor:
Tapia, Truman, Rojas, Clara
In this work we calculate the tensor power spectrum and the tensor-to-scalar ratio r within the frame of the Starobinsky inflationary model using the improved uniform approximation method and the third-order phase-integral method. We compare our resu
Externí odkaz:
http://arxiv.org/abs/2008.04750
Autor:
Tapia, Truman, Rojas, Clara
In this paper we present the study of the scalar cosmological perturbations of a single field inflationary model up to first order in deviation. The Christoffel symbols and the tensorial quantities are calculated explicitly in function of the cosmic
Externí odkaz:
http://arxiv.org/abs/2007.04423
In this work we study the scalar power spectrum and the spectral index for the Starobinsky inflationary model using the phase integral method up-to third-order of approximation. We show that the semiclassical methods reproduce the scalar power spectr
Externí odkaz:
http://arxiv.org/abs/2006.16807
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