JORGE ALBERTO ALCUSÓN BELLOSO2026-01-292026-01-29202310.1017/S00223778230005332-s2.0-85164587393https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/36614Condensed Matter PhysicsThe universal instability in optimised stellaratorsresearch article