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We compare this point of view with a recent novel approach to the entanglement of identical particles, which allows for the definition of an entanglement entropy from a suitably defined reduced particle density matrix, without the need of labelling the system constituents. We contrast this figure of merit with the aforementioned lack of an absolute notion of entanglement by considering few paradigmatic examples. <\/jats:p>","DOI":"10.1142\/s1230161217400042","type":"journal-article","created":{"date-parts":[[2017,10,17]],"date-time":"2017-10-17T03:14:24Z","timestamp":1508210064000},"page":"1740004","source":"Crossref","is-referenced-by-count":21,"title":["Remarks on Entanglement and Identical Particles"],"prefix":"10.1142","volume":"24","author":[{"given":"F.","family":"Benatti","sequence":"first","affiliation":[{"name":"Universit\u00e0 di Trieste, I-34151 Trieste, Italia"},{"name":"Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34151 Trieste, Italia"}]},{"given":"R.","family":"Floreanini","sequence":"additional","affiliation":[{"name":"Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34151 Trieste, Italia"}]},{"given":"F.","family":"Franchini","sequence":"additional","affiliation":[{"name":"Institut Ruder Bo\u0161kovi\u0107, HR-10000 Zagreb, Hrvatska"}]},{"given":"U.","family":"Marzolino","sequence":"additional","affiliation":[{"name":"Institut Ruder Bo\u0161kovi\u0107, HR-10000 Zagreb, Hrvatska"}]}],"member":"219","published-online":{"date-parts":[[2017,10,16]]},"reference":[{"key":"p_1","doi-asserted-by":"publisher","DOI":"10.1103\/RevModPhys.81.865"},{"key":"p_2","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.87.077901"},{"key":"p_3","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.64.022303"},{"key":"p_4","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.64.042310"},{"key":"p_5","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.64.054302"},{"key":"p_6","doi-asserted-by":"publisher","DOI":"10.1023\/A:1015439502289"},{"key":"p_7","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.67.024301"},{"key":"p_8","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.91.097902"},{"key":"p_9","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.92.107902"},{"key":"p_10","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.83.012113"},{"key":"p_11","doi-asserted-by":"publisher","DOI":"10.1002\/prop.201200079"},{"key":"p_13","doi-asserted-by":"publisher","DOI":"10.1016\/j.aop.2010.01.005"},{"key":"p_14","doi-asserted-by":"publisher","DOI":"10.1088\/0953-4075\/44\/9\/091001"},{"key":"p_15","doi-asserted-by":"publisher","DOI":"10.1142\/S0219749911008210"},{"key":"p_16","doi-asserted-by":"publisher","DOI":"10.1016\/j.aop.2012.02.002"},{"key":"p_17","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.85.042329"},{"key":"p_18","doi-asserted-by":"publisher","DOI":"10.1209\/0295-5075\/104\/40004"},{"key":"p_19","doi-asserted-by":"publisher","DOI":"10.1088\/1367-2630\/16\/1\/015023"},{"key":"p_20","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.89.032326"},{"key":"p_21","doi-asserted-by":"publisher","DOI":"10.1142\/S1230161214400034"},{"key":"p_22","doi-asserted-by":"publisher","DOI":"10.1142\/S0219749914610024"},{"key":"p_23","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.91.032316"},{"key":"p_24","doi-asserted-by":"publisher","DOI":"10.1098\/rspa.2015.0621"},{"key":"p_25","doi-asserted-by":"publisher","DOI":"10.1088\/1751-8113\/49\/30\/305303"},{"key":"p_28","doi-asserted-by":"publisher","DOI":"10.1038\/srep20603"},{"key":"p_29","doi-asserted-by":"publisher","DOI":"10.1038\/srep44675"}],"container-title":["Open Systems &amp; Information Dynamics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.worldscientific.com\/doi\/pdf\/10.1142\/S1230161217400042","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,8,7]],"date-time":"2019-08-07T03:47:16Z","timestamp":1565149636000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.worldscientific.com\/doi\/abs\/10.1142\/S1230161217400042"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,9]]},"references-count":26,"journal-issue":{"issue":"03","published-online":{"date-parts":[[2017,10,16]]},"published-print":{"date-parts":[[2017,9]]}},"alternative-id":["10.1142\/S1230161217400042"],"URL":"https:\/\/doi.org\/10.1142\/s1230161217400042","relation":{},"ISSN":["1230-1612","1793-7191"],"issn-type":[{"value":"1230-1612","type":"print"},{"value":"1793-7191","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,9]]}}}