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Metastability of a specific even‑flux configuration with small g_s M

Determine whether the even‑flux configuration with two anti‑D3‑branes and small g_s M described in the even‑flux ensemble admits a metastable anti‑D3‑brane state, or whether it is destabilized at small ’t Hooft coupling.

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Background

The authors present an even‑flux example with p=2 anti‑D3‑branes and small g_s M but explicitly note that the metastability of the anti‑D3‑brane configuration is uncertain at such small ’t Hooft coupling.

Establishing (in)stability in this case would clarify whether even‑flux vacua can realize the necessary metastability without relying on large g_s M.

References

Because g_s M is quite small, it is far from clear that this anti-D3-brane configuration is metastable, and so we do not refer to this as a vacuum.

Candidate de Sitter Vacua (2406.13751 - McAllister et al., 19 Jun 2024) in Appendix C.2 (Vacua with even flux quanta)