Axionic Wormholes : More on their Classical and Quantum Aspects

Details Axionic Wormholes : More on their Classical and Quantum Aspects Axionic Wormholes : More on their Classical and Quantum Aspects

1997-06-03

arxiv.org/abs/hep-th/9706015v1

Nucl.Phys. B527 (1998) 311-341

Physics

High Energy Physics

High Energy Physics - Theory

41 pages, includes 6-figures, Revtex

Scientific paper

10.1016/S0550-3213(98)00397-6

As a system which is known to admit classical wormhole instanton solutions, Einstein-Kalb-Ramond (KR) antisymmetric tensor theory is revisited. As an untouched issue, the existence of fermionic zero modes in the background of classical axionic wormhole spacetime and its physical implications is addressed. In particular, in the context of a minisuperspace quantum cosmology model based on this Einstein-KR antisymmetric tensor theory, ``quantum wormhole'', defined as a state represented by a solution to the Wheeler-DeWitt equation satisfying an appropriate wormhole boundary condition, is discussed. An exact, analytic wave function for quantum wormholes is actually found. Finally, it is proposed that the minisuperspace model based on this theory in the presence of the cosmological constant may serve as an interesting simple system displaying an overall picture of entire universe's history from the deep quantum domain all the way to the classical domain.

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