Classical and quantum time dependent solutions in string theory
C. Mart\'inez-Prieto, O. Obreg\'on, J. Socorro
TL;DR
This paper derives classical solutions from a string effective action using an ontological quantum interpretation and solves the Wheeler-DeWitt equation exactly, suggesting broader applications to S-branes.
Contribution
It introduces a novel approach combining ontological quantum mechanics with string cosmology to obtain classical solutions and solves the Wheeler-DeWitt equation exactly.
Findings
Classical behavior of scale factor and scalar fields derived
Exact solutions to the Wheeler-DeWitt equation obtained
Potential application to S-branes suggested
Abstract
Using the ontological interpretation of quantum mechanics in a particular sense, we obtain the classical behaviour of the scale factor and two scalar fields, derived from a string effective action for the FRW time dependent model. Besides, the Wheeler-DeWitt equation is solved exactly. We speculate that the same procedure could also be applied to S-branes.
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