70935 20200103141025.0 doi 10.1007/JHEP05(2018)130 sideral 106501 ART-2018-106501 eng (orcid)0000-0003-3669-6241 Asorey, M. Universidad de Zaragoza Entangled scent of a charge 2018 Access copy available to the general public Unrestricted We argue that the ground state of a field theory, in the presence of charged particles, becomes an entangled state involving an infinity of soft photons. The quantum field vacuum is altered by the passage of a uniformly moving charge, leaving in its wake a different dressed ground state. In this sense a charged particle leaves its electromagnetic scent even after passing by. Unlike in classical electrodynamics the effect of the charge remains even at infinite time. The calculation is done in detail for the ground state of a spacetime wedge, although the results are more general. This agrees in spirit with recent results over the infrared aspects of field theory, although the technical details are different. These considerations open the possibility that the information carried by quantum fields, being nonlocal, does not disappear beyond the horizon of black holes. info:eu-repo/grantAgreement/ES/MINECO/MDM-2014-0369 info:eu-repo/grantAgreement/ES/MINECO/FPA2015-65745-P info:eu-repo/grantAgreement/ES/DGA-FSE/E24-2 info:eu-repo/grantAgreement/EUR/COST/QSPACE info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 5.833 2018 PHYSICS, PARTICLES & FIELDS 4 / 29 = 0.138 2018 Q1 T1 1.016 2018 Nuclear and High Energy Physics 2018 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Balachandran, A.P. Lizzi, F. Marmo, G. 2004 405 Universidad de Zaragoza Dpto. Física Teórica Área Física Teórica 2018, 5 (2018), 130 [12 pp] J. high energy phys. Journal of High Energy Physics 1126-6708 365147 http://zaguan.unizar.es/record/70935/files/texto_completo.pdf Versión publicada 63954 http://zaguan.unizar.es/record/70935/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:70935 articulos driver 2020-01-03-14:03:42 ARTICLE