spectroxide: A code package for computing cosmic microwave background spectral distortions
We present spectroxide, a code package for computing cosmic microwave background spectral distortions in which all ${\sim}14{,}500$ lines of Rust code, Python interface, and ${\sim}400$ automated tests were written by an AI assistant (Claude Code) under human physicist supervision. The solver evolves the photon Boltzmann equation under Compton scattering, double Compton emission, and Bremsstrahlung from $z \sim 5 \times 10^6$ to the present, computing spectral distortions from arbitrary heat and photon injection within this redshift range. No fully open-source code of this kind is publicly available; we validate against analytic limits, published spectra, and publicly available precompute...
| Authors | Ethan Baker, Hongwan Liu, Siddharth Mishra-Sharma |
|---|---|
| Primary category | astro-ph.CO |
| Published | 27 April 2026 |
| Last updated at source | 27 April 2026 |
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