{ "id": "cond-mat/0412683", "version": "v1", "published": "2004-12-24T16:52:24.000Z", "updated": "2004-12-24T16:52:24.000Z", "title": "Boltzmann entropy and the microcanonical ensemble", "authors": [ "Jan Naudts" ], "comment": "8 pages, accepted for publication in Europhysics Letters, www.epletters.ch", "categories": [ "cond-mat.stat-mech" ], "abstract": "Boltzmann's entropy is slightly modified to make it suitable for discussing phase transitions in finite systems. As an example it is shown that the pendulum undergoes a second order phase transition when passing from a vibrational to a rotating state.", "revisions": [ { "version": "v1", "updated": "2004-12-24T16:52:24.000Z" } ], "analyses": { "keywords": [ "boltzmann entropy", "microcanonical ensemble", "second order phase transition", "pendulum undergoes", "discussing phase transitions" ], "note": { "typesetting": "TeX", "pages": 8, "language": "en", "license": "arXiv", "status": "editable" } } }