{ "id": "0908.0109", "version": "v2", "published": "2009-08-02T05:09:29.000Z", "updated": "2010-03-10T19:47:00.000Z", "title": "A Lower Bound on the Ground State Energy of Dilute Bose Gas", "authors": [ "Ji Oon Lee", "Jun Yin" ], "comment": "26 pages, AMS LaTex", "journal": "J. Math. Phys. 51, 053302 (2010)", "doi": "10.1063/1.3376639", "categories": [ "math-ph", "math.MP" ], "abstract": "Consider an N-Boson system interacting via a two-body repulsive short-range potential $V$ in a three dimensional box $\\Lambda$ of side length $L$. We take the limit $N, L \\to \\infty$ while keeping the density $\\rho = N / L^3$ fixed and small. We prove a new lower bound for its ground state energy per particle $$\\frac{E(N, \\Lambda)}{N} \\geq 4 \\pi a \\rho [ 1 - O(\\rho^{1/3} |\\log \\rho|^3) ],$$ as $\\rho \\to 0$, where $a$ is the scattering length of $V$.", "revisions": [ { "version": "v2", "updated": "2010-03-10T19:47:00.000Z" } ], "analyses": { "subjects": [ "05.30.Jp" ], "keywords": [ "ground state energy", "dilute bose gas", "lower bound", "two-body repulsive short-range potential", "n-boson system" ], "tags": [ "journal article" ], "publication": { "publisher": "AIP", "journal": "Journal of Mathematical Physics", "year": 2010, "month": "May", "volume": 51, "number": 5, "pages": 3302 }, "note": { "typesetting": "LaTeX", "pages": 26, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2010JMP....51e3302L" } } }