Speaker
Description
In the late 90’s, Reiss et al. [1] and Perlmutter at al. [2] by taking the Supernovae 1a independently proved that the universe is passing through an accelerated expansion. Many observations have supported this accelerated expansion of the late time universe [1,2,3,4,5]. The biggest mystery in the early universe is the production of excess of matter over antimatter [6,7,8. The present study reports the reconstruction schemes of the cosmological parameters of the modified Chaplygin gas and modified holographic dark energy models under Hořava-Lifshitz gravity and its baryogenesis. To initiate the study, we have considered the Starobinsky type potential. The scalar field and its potential of Hořava-Lifshitz gravity is reconstructed with Starobinsky type potential and is found to be consistent with the expansion of the universe. For the modified Chaplygin gas and modified holographic dark energy under the Hořava-Lifshitz gravity wih Starobinsky potential, the evolution of equation of state parameters are reconstructed and found out to be quintessence for both the cases. It is also proved that either the equal number of baryon density and anti baryon density will be attained by the model or the generalized second law of thermodynamics will be satisfied by the model.
References
[1] A.G. Reiss et al., Astron. J., 116, 1009 (1998).
[2] S. Perlmutter et al., Astrophys. J., 517, 565 (1999).
[3] P. de Bernardis et al., Nature, 404, 955 (2000).
[4] U. Seljak et al., Phys. Rev. D., 71, 103515 (2005).
[5] P. Astier et al. , Astron. Astrophys., 447, 31 (2006).
[6] E. W. Kolb, et al., Phys. Rev. Lett., 77, 4290 (1996).
[7] M. Trodden, Rev. Mod. Phys., 71, 1463 (1999).
[8] D. E. Morrissey and M. J. Ramsey-Musolf, New J. Phys., 14, 125003 (2012).
