Global phase time and path integral for string cosmological models

Authors
Giribet, G Simeone, C
Citation
G. Giribet et C. Simeone, Global phase time and path integral for string cosmological models, MOD PHY L A, 16(1), 2001, pp. 19-27
Citations number
19
Categorie Soggetti
Physics
Journal title
MODERN PHYSICS LETTERS A
ISSN journal
02177323 → ACNP
Volume
16
Issue
1
Year of publication
2001
Pages
19 - 27
Database
ISI
SICI code
0217-7323(20010110)16:1<19:GPTAPI>2.0.ZU;2-9
Abstract
A global phase time is identified for homogeneous and isotropic cosmologica l models yielding from the low energy effective action of dosed bosonic str ing theory. When the Hamiltonian constraint allows for the existence of an intrinsic time, the quantum transition amplitude is obtained by means of th e usual path integral procedure for gauge systems.