Induced gravity and cosmological particle production

Cosmological particle production within the framework of induced gravity is investigated at the phenomenological level. It turns out that the conformal invariance of the “creation law” imposes quite strict restrictions on the possible types of sources. It is shown that terms with the particle number density in the “creation law” can be interpreted as dark matter. The action under consideration is reduced to the Einstein–Hilbert action with the classical scalar field for a certain gauge, which in turn reduces to [Formula: see text]-gravity with [Formula: see text].