{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"b2f8066fd38d681403aa3d9ce440ce4d00093b3be92b13152671ef2dfe1f612c","created":"2026-10-03T07:18:01Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"e02435cff029c85eb5f684655fafff68abacac6c50f6a3ad21604e690975a882","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"yes-no","assisted_by":[],"external_id":"cm.skyrmion-magnets.quantum-skyrmions","kind":"well-posed","literature_status":"open","n":"1","parents":[],"plain":"When a skyrmion is only a few atoms wide and made of small spins, quantum mechanics should matter, letting it tunnel or form superpositions. No experiment has yet shown a skyrmion behaving quantum mechanically.","posed_since":"","precise":"In a frustrated or chiral magnet with $S=1/2\\ \\text{or}\\ 1$ local moments and skyrmion radius of a few lattice spacings, detect a quantum signature: macroscopic quantum tunneling of skyrmion number or position (a temperature-independent switching rate below a crossover T*), or quantized internal modes inconsistent with classical spin dynamics. An answer is an identified system and measurement giving T* and the rate.","problem_ref":null,"references":"","settled_by":"Low-temperature single-skyrmion switching or spectroscopy showing a temperature-independent rate below T*, compared with quantum many-body calculations.","status_note":"","title":"Can quantum skyrmions be observed in a real magnet?","topic_ref":"51739886d29ed7915aad97df85d96eccb4ca26bfda8367c9539ae8df53e14179"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"977a1c6d5a2e6853d1905f335ea49bc6ce0fb1ef9a78ff841adc86ac54266274","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"270f89fe6c19f226a710646a91295ec5c3cc54fb1bc0563fda15dd575593483b","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"GIdL_VskFHrLvvHoBJ1D5Ie4u-dEEpZFOiRCg7HKNA-hmt9rChgzVfrFvLilP98Nz5ZFJz7CkGdAjHLZqXTfDg"},"schema":"pubphys.envelope/1"},"record_hash":"977a1c6d5a2e6853d1905f335ea49bc6ce0fb1ef9a78ff841adc86ac54266274","leaf_index":1166}