It is well known that in Standard Cosmology, the Friedmann equations are
derived from Einstein’s field equations for a spatially homogeneous and isotropic
universe. They are important in describing the evolution of the universe. The
Friedmann equations consist of two independent equations which are usually
called the first and second Friedmann equations. The first and second Friedmann
equations contain, respectively, the first and second derivatives of scale factor
with respect to time. Hence, the second Friedmann equation is also named as
Friedmann’s acceleration equation. In a previous paper [16], we have derived the
first Friedmann equation (
k 0
) from de Broglie-Bohm interpretation in
canonical quantum cosmology. In this paper, we derive the second Friedmann
equation (Friedmann’s acceleration equation) as well as presenting the derivation
of the first Friedmann equation (
k 0
).
Keywords: Canonical quantum cosmology, de Brogl