Global phase time and path integral for string cosmological models

Details Global phase time and path integral for string cosmological models Global phase time and path integral for string cosmological models

2000-08-10

arxiv.org/abs/gr-qc/0008024v2

Mod.Phys.Lett. A16 (2001) 19

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, added references

Scientific paper

10.1142/S0217732301003061

A global phase time is identified for homogeneous and isotropic cosmological
models yielding from the low energy effective action of closed bosonic string
theory. When the Hamiltonian constraint allows for the existence of an
intrinsic time, the quantum transition amplitude is obtained by means of the
usual path integral procedure for gauge systems.

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