2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34507See hep-ph/0304045WITHDRAWN by third party submitter due to known plagiarism in hep-ph/0302267 hep-ph/0304039 hep-ph/0304040 hep-ph/0304041 hep-ph/0304042 hep-ph/0304043 hep-ph/0304044 by same authorGeneral Relativity and Quantum CosmologyTime Variation of Photons' Velocity in a "Dark" Universetext