Are nonperturbative AdS vacua possible in bosonic string theory?

Abstract

In this paper, following the work of Hohm and Zwiebach [arXiv:1905.06583], we show that in bosonic string theory nonperturbative anti-de Sitter (AdS) vacua could exist with all ${\alpha }^{\prime }$ corrections included. We also discuss the possibility of the coexistence of nonperturbative dS and AdS vacua.

arXiv commentV2: 14 pages, minor corrections, references added, published version, V3: typos corrected

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• Construct ${\alpha }^{\prime }$ corrected or loop corrected solutions without curvature singularities
• Derive Lovelock Gravity from String Theory in Cosmological Background
• Resolving naked singularities in ${\alpha }^{\prime }$-corrected string theory
• 2D Black Holes, Bianchi I Cosmologies, and ${\alpha }^{\prime }$
• Non-linear stability of ${\alpha }^{\prime }$-corrected Friedmann equations
• Two-dimensional regular string black hole via complete ${\alpha }^{\prime }$ corrections
• Large $D$ gravity and low $D$ string via ${\alpha }^{\prime }$ corrections
• Three dimensional regular black string via loop corrections
• Black hole solutions in double field theory
• Revisiting Schwarzschild black hole singularity through string theory