{ "id": "1012.5116", "version": "v2", "published": "2010-12-22T22:21:12.000Z", "updated": "2011-03-22T13:33:21.000Z", "title": "Measuring entanglement using quantum quenches", "authors": [ "John Cardy" ], "comment": "5 pages, 2 figures. v2: references added, minor text changes", "journal": "Phys.Rev.Lett.106:150404,2011", "doi": "10.1103/PhysRevLett.106.150404", "categories": [ "cond-mat.stat-mech", "quant-ph" ], "abstract": "We show that block entanglement entropies in one-dimensional systems close to a quantum critical point can in principle be measured in terms of the population of low-lying energy levels following a certain type of local quantum quench.", "revisions": [ { "version": "v2", "updated": "2011-03-22T13:33:21.000Z" } ], "analyses": { "subjects": [ "03.67.Mn", "05.30.Rt" ], "keywords": [ "quantum quenches", "measuring entanglement", "block entanglement entropies", "local quantum quench", "one-dimensional systems close" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review Letters", "year": 2011, "month": "Apr", "volume": 106, "number": 15, "pages": 150404 }, "note": { "typesetting": "TeX", "pages": 5, "language": "en", "license": "arXiv", "status": "editable", "inspire": 896547, "adsabs": "2011PhRvL.106o0404C" } } }