{ "id": "1605.01265", "version": "v1", "published": "2016-05-04T13:20:14.000Z", "updated": "2016-05-04T13:20:14.000Z", "title": "What decides the direction of a current?", "authors": [ "Christian Maes" ], "comment": "Dedicated in honor of Lucio Russo", "categories": [ "cond-mat.stat-mech" ], "abstract": "Nonequilibria show currents that are maintained as the result of a steady driving. We ask here what decides their direction. It is not only the second law, or the positivity of the entropy production that decides; also non-dissipative aspects often matter and sometimes completely decide.", "revisions": [ { "version": "v1", "updated": "2016-05-04T13:20:14.000Z" } ], "analyses": { "keywords": [ "second law", "entropy production", "nonequilibria", "positivity" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }