From Quantum Unstable Systems to the Decaying Dark Energy: Cosmological Implications

Figure 2

The diagram of the evolution of the Hubble function with respect to the cosmological time , which is described by (43) with and for every . For illustration, two example values of the parameter are chosen: and . The top blue curve describes the evolution of the Hubble function in the CDM model. The middle curve describes one for and the bottom red curve describes one for . The Hubble function is expressed in and the cosmological time is expressed in .