{"paper":{"title":"Phase diagram and correlation functions of the anisotropic imperfect Bose gas in $d$ dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","math-ph","math.MP"],"primary_cat":"cond-mat.stat-mech","authors_text":"Jacek Wojtkiewicz, Pawel Jakubczyk","submitted_at":"2016-09-27T20:03:04Z","abstract_excerpt":"We study an anisotropic variant of the $d$-dimensional imperfect Bose gas, where the asymptotic behaviour of the dispersion $\\epsilon_{\\bf k}$ at vanishing momentum $\\bf{k}$ may differ from the standard quadratic form. The analysis reveals the key role of the shift exponent $\\psi$ governing the asymptotic behaviour of the critical temperature $T_c(\\mu)$ as a function of the chemical potential $\\mu$ at $T_c\\to 0$. We argue that the universality classes of Bose-Einstein condensation admitted by the model may be classified according to the allowed values of $\\psi$ so that spatial dimensionality h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08639","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"}