{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"e1e2bad70f248c1f4391f1405739f764813b901842a22d5936d53660ea0c65c2","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"618fbc24788edc43bf4999a0bc7d6c6362d514b44e09c647152d97c0eee6c383","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"cm.wigner-crystal-2d","field":"cm","n":"1","review_cite":"B. Spivak, S. V. Kravchenko, S. A. Kivelson and X. P. A. Gao, Colloquium: Transport in strongly correlated two dimensional electron fluids, Reviews of Modern Physics, 2010","review_link":"https://doi.org/10.1103/RevModPhys.82.1743","review_verified":"true","summary":"When electrons in a flat sheet are spread thin enough, their mutual repulsion beats their kinetic energy and they freeze into a regular lattice called a Wigner crystal. How this crystal melts into a liquid as density rises, and what lies between the two, is not known.","title":"Wigner crystals of two-dimensional electrons","topic_ref":null,"why":"It is the simplest strongly interacting electron problem and is now realized and imaged in semiconductors, transition-metal dichalcogenides and graphene."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"0172a4875504d269442a9c602dc559b0e1b689d7513bab808338a3559e713e6c","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"84a24a58ab5670f8949b59114a1b1984af3aebbe5cf920ca6e4626bcf548e92f","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"BTRXMs1n-YNh5ZsRMq17NZDItNkjoX6Mdl5QfmMz5yWQlZX8juNZkPpUXn8mNmYwAoy6J4_mUUJSlKBFepl3Dg"},"schema":"pubphys.envelope/1"},"record_hash":"0172a4875504d269442a9c602dc559b0e1b689d7513bab808338a3559e713e6c","leaf_index":181}