HEP Theory2025-11-282 minarXiv:2511.23447expressKlein Bottle Topology and the Origin of Baryon AsymmetryIn the familiar world, we have three spatial dimensions. However, theoretical physics allows for additional, hidden directions — compactified, that is, curled up to microscopic sizes.Brian Greene·Daniel Kabat·Janna Levin·Massimo PorratiCPT theoremChien-Shiung WuEugene Wignertopological defectStandard Model👍👎☆SimplePopularAdvanced