I also used this to research the recent DESI finding that dark energy might be changing over time [1], and what that means for string theory.
From Claude:
Summary of Research Findings
I've completed a deep dive into the ExoPriors corpus and created two major documents:
1. /research/exopriors_findings.md - GA and String Landscape Papers
Key discoveries:
- arXiv:1907.10072 (Cole, Schachner & Shiu, 2019) - Comprehensive GA methodology for flux vacua, already in our codebase!
- arXiv:1302.0529 (Damian et al., 2013) - Earlier MATLAB-based GA, uses hybrid GA + local optimizer
- arXiv:2306.06160 - Scalability analysis showing methods work for large Hodge numbers
2. /research/DESI_DARK_ENERGY_IMPLICATIONS.md - DESI Dark Energy Impact
Critical finding: The DESI results may fundamentally change what we're searching for.
The DESI result in brief:
- Dark energy equation of state w ≈ -0.55 (not -1)
- Evidence for evolution: wₐ ≈ -1.3
- Suggests "phantom crossing" (w went from < -1 to > -1)
- 2-3σ significance, still preliminary
Key papers found:
1. arXiv:2112.10779 (Cicoli et al.) - Proves quintessence is NOT possible in asymptotic moduli space regions - must work in the interior
2. arXiv:2511.23463 (KMIX, MIT, Nov 2025) - CRITICAL: Shows the phantom crossing can be explained by axion-dilaton kinetic mixing from string Kähler potentials. The "phantom" is an illusion!
What this means for our project:
- Instead of targeting static Λ = 2.888 × 10⁻¹²², we may need to target (w₀, wₐ)
- The KMIX model suggests axion + moduli dynamics, not just moduli stabilization
- The exponential kinetic coupling e^(αφ)(∂θ)² is exactly what appears in CY compactifications
Next steps:
1. Study KMIX model in detail - it uses string-motivated physics
2. Consider adding (w₀, wₐ) to our fitness function
3. Possibly include axion dynamics alongside Kähler moduli
4. Update FORMULAS.md with quintessence equations
[1] https://www.bbc.com/news/articles/c17xe5kl78vo