The Effect of Higher-Order Curvature Terms on String Quantum Cosmology

Details The Effect of Higher-Order Curvature Terms on String Quantum Cosmology The Effect of Higher-Order Curvature Terms on String Quantum Cosmology

1999-11-10

arxiv.org/abs/gr-qc/9911043v3

Phys.Lett. B485 (2000) 408-421

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

24 pages, TeX. Several remarks on operator ordering, the complete computation of $H_1\psi_0$, and approximate solutions of the

Scientific paper

10.1016/S0370-2693(00)00610-9

Several new results regarding the quantum cosmology of the quadratic gravity theory derived from the heterotic string effective action are presented. After describing techniques for solving the Wheeler-De Witt equation with appropriate boundary conditions, it is shown that this quantum cosmological model may be compared with semiclassical theories of inflationary cosmology. In particular, it should be possible to compute corrections to the standard inflationary model perturbatively about a stable exponentially expanding classical background.

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