(matter fluid violating the strong energy conditionρX+3pX≥0). This kind of energy represents roughly 70 % of the matter content of the current Universe. Because the nature as well as mechanism of the cosmological origin of the dark energy component are unknown some alternative theories try ...
(0.6849) Note that this additional power law term related to inter- action can also be interpreted as the Cardassian or poly- tropic term [49,50] (one can easily show that the assumed form of the interaction always generates a correction of type am, m = 1 − n, in the potential of...