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Paper   IPM / Physic / 7789
School of Physics
Title:   Classical and Quantum Limits in Bohmian Quantum Cosmology
Author(s):
 1 F. Shojai 2 A. Shirinifard
Status:   Published
Journal: Int. J. Mod. Phys. D
No.:  8
Vol.:  14
Year:  2005
Pages:   1333-1345
Supported by:  IPM
Abstract:
In this paper we have investigated the classical limit in bohmian quantum cosology. It is observed that in the quantum regime where the quantum potential is greater than the classical one, one has an expansion in terms of negative powers of the Planck constant. But in the classical limit there are regions having positive powers of the Planck constant, and regions having negative powers and also regions having both. The conclusion is that the Bohmian classical limit cannot be obtained by letting the Planck constant goes to zero.