De Sitter Vacua in String Theory and KKLT

[Jeffery Winkler]

Earlier in the forum Urs Schreiber discussed criticism of KKLT, and claims that string theory does not allow de Sitter vacua

https://www.physicsforums.com/threads/no-metastable-type-iib-de-sitter-vacua.950271/

The following recent claims to address these concerns, and claims KKLT allows de Sitter vacua after all.

https://arxiv.org/pdf/1902.01410.pdf

Does this paper successfully address these concerns?

 

[Jeffery Winkler]

Here is another recent paper that claims to partially solve this problem.

https://journals.aps.org/prd/pdf/10.1103/PhysRevD.99.046006