Time Gauge Fixing and Hilbert Space in Quantum String Cosmology

Details Time Gauge Fixing and Hilbert Space in Quantum String Cosmology Time Gauge Fixing and Hilbert Space in Quantum String Cosmology

1996-05-09

arxiv.org/abs/gr-qc/9605020v1

Gen.Rel.Grav. 29 (1997) 773-787

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, Plain TEX, no figures

Scientific paper

Recently the low-energy effective string theory has been used by Gasperini and Veneziano to elaborate a very interesting scenario for the early history of the universe (``birth of the universe as quantum scattering''). Here we investigate the gauge fixing and the problem of the definition of a global time parameter for this model, and we obtain the positive norm Hilbert space of states.

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