{"paper":{"title":"Bulk Viscosity, Speed of Sound and Contact Structure at Intermediate Coupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Aalok Misra, Shivam Singh Kushwah","submitted_at":"2024-03-08T19:00:04Z","abstract_excerpt":"In the context of strongly coupled thermal QCD-like theories, the bulk viscosity($\\zeta$)-to-shear viscosity($\\eta$) ratio using the type IIA-theory dual of thermal QCD-like theories was shown to vary like $\\frac{1}{3} - c_s^2$ (arXiv:1807.04713) ($c_s$ being the speed of sound), and the same ($\\frac{\\zeta}{\\eta}$) at weak coupling using kinetic theory and finite temperature field theory, was shown and is known to vary like $\\left(\\frac{1}{3} - c_s^2\\right)^2$ (arXiv:1807.04713). The novelties of the results of this paper are that we not only show for the first time from ${\\cal M}$ theory that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.10541","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.10541/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}