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gr-qc2008★ 5 cited
On exact solutions to the scalar field equations in standard cosmology
Marco A. Reyes
A simple algebraic method to obtain exact solutions to the scalar field equations in spatially flat FRW cosmology is derived. The field potential fuction is reduced to two terms wh…
gr-qc1999
Ermakov approach for Q=0 empty FRW minisuperspace oscillators
H. C. Rosu, P. Espinoza, M. Reyes
The Wheeler-DeWitt equation for empty FRW minisuperspace universes of Hartle-Hawking factor ordering parameter Q=0 is mapped onto the dynamics of a unit mass classical oscillator.…