{"paper":{"title":"Huge broadening of the crystal-fluid interface for sedimenting colloids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Sedimenting colloidal hard spheres develop a crystal-fluid interface that splits and broadens dramatically at intermediate gravitational strengths.","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"Elshad Allahyarov, Hartmut L\\\"owen","submitted_at":"2011-07-14T15:39:38Z","abstract_excerpt":"For sedimenting colloidal hard spheres, the propagation and broadening of the crystal-fluid interface is studied by Brownian dynamics computer simulations of an initially homogeneous sample. Two different types of interface broadenings are observed: the first occurs during growth and is correlated with the interface velocity, the second is concomitant with the splitting of the crystal-fluid interface into the crystal-amorphous and amorphous-liquid interfaces. The latter width is strongly peaked as a function of the gravitational driving strength with a huge amplitude relative to its equilibriu"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The width of the crystal-amorphous-liquid interface is strongly peaked as a function of gravitational driving strength with a huge amplitude relative to its equilibrium counterpart.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The observed splitting and huge broadening are intrinsic to the hard-sphere sedimentation dynamics rather than artifacts of the finite simulation box, periodic boundaries, or the particular Brownian-dynamics integrator.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Sedimenting colloidal hard-sphere crystals exhibit a gravitationally peaked, huge broadening of the crystal-fluid interface caused by its splitting into crystal-amorphous and amorphous-liquid sub-interfaces.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Sedimenting colloidal hard spheres develop a crystal-fluid interface that splits and broadens dramatically at intermediate gravitational strengths.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"cd05d7af8f311b8e39ca749f18488605e1207773d19c6c8db81c6c8c65a4deed"},"source":{"id":"1107.2853","kind":"arxiv","version":1},"verdict":{"id":"8282a9d1-b255-4037-9328-c212dc21f650","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T20:26:22.612197Z","strongest_claim":"The width of the crystal-amorphous-liquid interface is strongly peaked as a function of gravitational driving strength with a huge amplitude relative to its equilibrium counterpart.","one_line_summary":"Sedimenting colloidal hard-sphere crystals exhibit a gravitationally peaked, huge broadening of the crystal-fluid interface caused by its splitting into crystal-amorphous and amorphous-liquid sub-interfaces.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The observed splitting and huge broadening are intrinsic to the hard-sphere sedimentation dynamics rather than artifacts of the finite simulation box, periodic boundaries, or the particular Brownian-dynamics integrator.","pith_extraction_headline":"Sedimenting colloidal hard spheres develop a crystal-fluid interface that splits and broadens dramatically at intermediate gravitational strengths."},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":2,"snapshot_sha256":"ccd48a2ab98970dda49857071d47245f1591a35e45560c254ca6f33da84264cd"},"author_claims":{"count":1,"strong_count":1,"snapshot_sha256":"5e3b23b793a24ad44d50f012bed3c12f7c9e9c566d826ad85b79440943422c6c"},"builder_version":"pith-number-builder-2026-05-17-v1"}