The basic problem of quantum cosmology is the definition of the quantum state of the universe, with appropriate boundary conditions on Riemannian three-geometries.This paper describes recent progress in the corresponding analysis of quantum amplitudes for Euclidean Maxwell theory and linearized gravity. Within the framework of Faddeev-Popov formalism and zeta-function regularization, various choices of mixed boundary conditions lead to a deeper understanding of quantized gauge fields and quantum gravity inthe presence of boundaries.
The impact of quantum cosmology on quantum field theory / Esposito, G. - (1998), pp. 79-92. ( Sixth Moscow Quantum Gravity Seminar Moscow June 1995).
The impact of quantum cosmology on quantum field theory
ESPOSITO GPrimo
1998
Abstract
The basic problem of quantum cosmology is the definition of the quantum state of the universe, with appropriate boundary conditions on Riemannian three-geometries.This paper describes recent progress in the corresponding analysis of quantum amplitudes for Euclidean Maxwell theory and linearized gravity. Within the framework of Faddeev-Popov formalism and zeta-function regularization, various choices of mixed boundary conditions lead to a deeper understanding of quantized gauge fields and quantum gravity inthe presence of boundaries.| File | Dimensione | Formato | |
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