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Structure formation and CMBR anisotropy spectrum in the inflessence model

The inflessence model has recently been proposed in an attempt to explain both early inflation and present day accelerated expansion within a single mechanism. The model has been successfully tested against the Hubble diagram of Type Ia Supernovae, the shift parameter, and the acoustic peak parameter. As a further mandatory test, we investigate here structure formation in the...

Latest supernova data in the framework of the generalized Chaplygin gas model

V. , Saini T. D. , Starobinsky A. A. , Alam U. , 2003 , JETP Lett. , 77 , 201 Sandvik H. , Tegmark M. , Zaldarriaga M. , Waga I. , 2002 , preprint (astroph/0212114) Sen A. A. , Sen S. , 2001 , Mod ... . Phys. Lett. A , 16 , 1303 Sen A. A. , Sen S. , Sethi S. , 2001 , Phys. Rev . D, 63 , 107501 Silva P.T. , Bertolami O. , 2003 , ApJ, 599 , 829 Spergel D. N. et al., 2003 , ApJS, 148 , 175 Tonry J. L. et