$\Lambda (t)$CDM Model as a Unified Origin of Holographic and Agegraphic Dark Energy Models

Yun Chen, Zong-Hong Zhu, Lixin Xu +1

Motivated by the fact that any nonzero $\Lambda$ can introduce a length scale or a time scale into Einstein's theory, $r_{\Lambda }=c{t}_{\Lambda }=\sqrt{3/|\Lambda |}$. Conversely, any cosmological length scale o…