Work

Geometric phase in vacuum instability: Applications in quantum cosmology

Year: 1993

Type: article

Abstract: Three different methods, viz., (i) a perturbative analysis of the Schr\"odinger equation, (ii) an abstract differential geometric method, and (iii) a semiclassical reduction of the Wheeler-Dewitt equation, relating the Pancharatnam phase to vacuum instability are discussed. An improved semiclassical reduction is also shown to yield the correct zeroth-order semiclassical Einstein equations with back reaction. This constitutes an extension of our earlier discussions on the topic.

Source: Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields

DOI: 10.1103/physrevd.48.5746

Author: Dhurjati Prasad Datta

Institutions: North Eastern Regional Institute of Science and Technology, Inter-University Centre for Astronomy and Astrophysics

Language: English

Topic: Cosmology and Gravitation Theories

Subfield: Astronomy and Astrophysics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2086018002

FWCI: 4.807

Cites: 20

Cited by: 27

Related to: 10