racah
The Racah algebra, compiled.
This package is the spectroscopy-specialised layer of spectrafold.
pip install spectrafold # the full library
pip install racah # this stub (re-exports spectrafold)
import racah
racah.flop(0, 1, 1, 1, 1, 1) # 6j symbol {0 1 1; 1 1 1} = -1/3
racah.pandya_transform(...) # Pandya transform as FLIP;FLOP
racah.g2_casimir(1, 0) # G2 Casimir for the fundamental 7-dim irrep
All results are exact sympy expressions — no floats, no rounding.
Papers
| Paper | DOI |
|---|---|
| 347 Spiders for Spectra | 10.5281/zenodo.20458996 |
| 348 Spiders for Nuclei | 10.5281/zenodo.20490046 |
| 349 The Origami Calculus | 10.5281/zenodo.20474914 |
| 350 Spiders for Quarkonium | 10.5281/zenodo.20490294 |
License
MIT. Author: Ian R. C. Buckley.
1 maintainer
Metadata
1 maintainer
Release files for racah 0.1.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
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| File | Interpreter | ABI | Platform | Actions Reset |
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| racah-0.1.0-py3-none-any.whl | Python 3 | none | any | Details for racah-0.1.0-py3-none-any.whl |
Total release size: 13.2 kB
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