{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"6a654dfbad36359886ce5037cb87043f20fda256009d41346c7afa3da7ac0cf1","created":"2026-10-03T07:17:52Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"97b8f54ed4601cbc256d1acdbb78955fe22a79cca87aeb79206aa08d398d44c5","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"mathph.bose-condensation","field":"mathph","n":"1","review_cite":"J. P. Solovej, Mathematical physics of dilute Bose gases, arXiv, 2025","review_link":"https://arxiv.org/abs/2504.03314","review_verified":"true","summary":"At low temperature a gas of bosons (particles that can share one quantum state) should collect a finite fraction of its particles in a single state, a Bose-Einstein condensate. This is proven for non-interacting particles but not for repelling particles in an infinite volume.","title":"Bose-Einstein condensation in interacting gases","topic_ref":null,"why":"Condensation underlies superfluidity, and its proof is a standard test of whether many-body quantum mechanics can be controlled rigorously."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"8e2da899d10157a0800115bf0ebd7035da124ea4f6901ed1432508c7509786fe","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"a09d25bf110a834f6bede140ea4c1064840ff2b4fd7090c0316703481a898282","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"RNjVay1usD5C_1yy8u2V2kHPjA5AxAmHMFEANe4iusdzyouYHAaVkGsQVfTs_Q5THE0YilMeqHOha0O3pD0ECQ"},"schema":"pubphys.envelope/1"},"record_hash":"8e2da899d10157a0800115bf0ebd7035da124ea4f6901ed1432508c7509786fe","leaf_index":254}