Power-law Solutions from Heterotic Strings
Tibra Ali, S. Shajidul Haque
TL;DR
This paper investigates power-law cosmological solutions within heterotic string theory compactifications, including fluxes and corrections, finding solutions that are neither accelerating nor ekpyrotic.
Contribution
It explores the existence of power-law solutions in heterotic string models with fluxes and alpha' corrections, focusing on the STZ sector and half-flat manifolds.
Findings
No accelerating solutions found
No ekpyrotic solutions found
Includes analysis of alpha' corrections
Abstract
In this paper, we search for accelerating power-law and ekpyrotic solutions in heterotic string theory with NS-NS fluxes compactified on half-flat and generalized half-flat manifolds. We restrict our searches to the STZ sector of the theory. We also considered linear order corrections for the half-flat case. The power-law solutions that we find are neither accelerating nor ekpyrotic in any of the models.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Cosmology and Gravitation Theories · Nonlinear Waves and Solitons