Quantum gravity and inflation

摘要: Using the Ashtekar-Sen variables of loop quantum gravity, a new class exact solutions to equations cosmology is found for gravity coupled scalar field, that corresponds inflating universes. The which has an arbitrary potential, treated as time variable, reducing hamiltonian constraint time-dependent Schroedinger equation. When reduced homogeneous and isotropic case, this solved exactly by set extend Kodama state, taking into account dependence vacuum energy. Each state classical solution Hamiltonian-Jacobi study latter shows evidence attractor, suggesting universality in phenomena inflation. Finally, wavepackets can be constructed superposing with different ratios kinetic potential field energy, resolving, at least issue normalizability state.