{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"77ac0d7d8d9a24971ca708a2f6ebb1d3d7615d98eec72b3e0a5def53bf7a27bc","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"df40008871c45aaa94bd52ea839504e58be7df1583c5401149ac663f2c19e7ce","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"beams.csr-microbunching","field":"beams","n":"1","review_cite":"K. L. F. Bane, Y. Cai, G. Stupakov, Threshold studies of the microwave instability in electron storage rings, Physical Review Special Topics - Accelerators and Beams, 2010","review_link":"https://doi.org/10.1103/PhysRevSTAB.13.104402","review_verified":"true","summary":"When a short electron bunch bends in a magnet, radiation from its tail catches up with its head and pushes on it, which can blur the beam or break it into tiny density ripples. Predicting these self-forces in three dimensions, and using them to make light on purpose, are open.","title":"Coherent synchrotron radiation and microbunching in bends","topic_ref":null,"why":"These self-forces limit how short and bright bunches can be made for x-ray FELs and low-emittance storage rings."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"5a86adf3ddd836ff2ccead3d8facd2c7c42ba046664278d11978618137dcefd5","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"159495c0973ff830c6303bfa2a14f407c20b1e9bc1dc8d1ee7a5c4991ceb5861","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"XuGwY4YBLMGbjq4mSuR2b_1zASbXDMPjnaiJO6eeR4HcGbcX5H1wjzuDwhm_LScU6WVJBf6IztTd80rdxe9zCg"},"schema":"pubphys.envelope/1"},"record_hash":"5a86adf3ddd836ff2ccead3d8facd2c7c42ba046664278d11978618137dcefd5","leaf_index":65}