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000079682 001__ 79682 000079682 005__ 20200117211600.0 000079682 0247_ $$2doi$$a10.1088/1361-6382/aa9ef8 000079682 0248_ $$2sideral$$a104173 000079682 037__ $$aART-2018-104173 000079682 041__ $$aeng 000079682 100__ $$0(orcid)0000-0003-2264-2306$$aCarmona, J.M.$$uUniversidad de Zaragoza 000079682 245__ $$aDoes a deformation of special relativity imply energy dependent photon time delays? 000079682 260__ $$c2018 000079682 5060_ $$aAccess copy available to the general public$$fUnrestricted 000079682 5203_ $$aTheoretical arguments in favor of energy dependent photon time delays from a modification of special relativity (SR) have met with recent gamma ray observations that put severe constraints on the scale of such deviations. We review the case of the generality of this theoretical prediction in the case of a deformation of SR and find that, at least in the simple model based on the analysis of photon worldlines which is commonly considered, there are many scenarios compatible with a relativity principle which do not contain a photon time delay. This will be the situation for any modified dispersion relation which reduces to E = |p¿| for photons, independently of the quantum structure of spacetime. This fact opens up the possibility of a phenomenologically consistent relativistic generalization of SR with a new mass scale many orders of magnitude below the Planck mass. 000079682 536__ $$9info:eu-repo/grantAgreement/ES/DGA/E24-2$$9info:eu-repo/grantAgreement/ES/MINECO/FPA2015-65745-P 000079682 540__ $$9info:eu-repo/semantics/openAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/ 000079682 590__ $$a3.487$$b2018 000079682 591__ $$aPHYSICS, MULTIDISCIPLINARY$$b13 / 81 = 0.16$$c2018$$dQ1$$eT1 000079682 591__ $$aQUANTUM SCIENCE & TECHNOLOGY$$b4 / 14 = 0.286$$c2018$$dQ2$$eT1 000079682 591__ $$aPHYSICS, PARTICLES & FIELDS$$b10 / 29 = 0.345$$c2018$$dQ2$$eT2 000079682 591__ $$aASTRONOMY & ASTROPHYSICS$$b22 / 69 = 0.319$$c2018$$dQ2$$eT1 000079682 592__ $$a1.58$$b2018 000079682 593__ $$aPhysics and Astronomy (miscellaneous)$$c2018$$dQ1 000079682 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion 000079682 700__ $$0(orcid)0000-0002-8282-3435$$aCortés, J.L.$$uUniversidad de Zaragoza 000079682 700__ $$0(orcid)0000-0003-1130-3982$$aRelancio, J.J.$$uUniversidad de Zaragoza 000079682 7102_ $$12004$$2405$$aUniversidad de Zaragoza$$bDpto. Física Teórica$$cÁrea Física Teórica 000079682 7102_ $$12004$$2390$$aUniversidad de Zaragoza$$bDpto. Física Teórica$$cÁrea Física Atóm.Molec.y Nucl. 000079682 773__ $$g35, 2 (2018), 025014 [11 pp.]$$pClass. quantum gravity$$tCLASSICAL AND QUANTUM GRAVITY$$x0264-9381 000079682 8564_ $$s229316$$uhttps://zaguan.unizar.es/record/79682/files/texto_completo.pdf$$yPostprint 000079682 8564_ $$s118080$$uhttps://zaguan.unizar.es/record/79682/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint 000079682 909CO $$ooai:zaguan.unizar.es:79682$$particulos$$pdriver 000079682 951__ $$a2020-01-17-21:11:54 000079682 980__ $$aARTICLE
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