{ "id": "1011.5761", "version": "v1", "published": "2010-11-26T11:12:30.000Z", "updated": "2010-11-26T11:12:30.000Z", "title": "Non-Weyl resonance asymptotics for quantum graphs in a magnetic field", "authors": [ "Pavel Exner", "Jiri Lipovsky" ], "categories": [ "math-ph", "math.MP", "math.SP" ], "abstract": "We study asymptotical behaviour of resonances for a quantum graph consisting of a finite internal part and external leads placed into a magnetic field, in particular, the question whether their number follows the Weyl law. We prove that the presence of a magnetic field cannot change a non-Weyl asymptotics into a Weyl one and vice versa. On the other hand, we present examples demonstrating that for some non-Weyl graphs the ``effective size'' of the graph, and therefore the resonance asymptotics, can be affected by the magnetic field.", "revisions": [ { "version": "v1", "updated": "2010-11-26T11:12:30.000Z" } ], "analyses": { "keywords": [ "magnetic field", "non-weyl resonance asymptotics", "quantum graph", "finite internal part", "non-weyl graphs" ], "tags": [ "journal article" ], "publication": { "doi": "10.1016/j.physleta.2010.12.042", "journal": "Physics Letters A", "year": 2011, "month": "Jan", "volume": 375, "number": 4, "pages": 805 }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011PhLA..375..805E" } } }