TY - JOUR AU - Albareti, F. D. AU - Ruiz Cembranos, José Alberto AU - Cruz Dombriz, Álvaro de la PY - 2012 DO - 10.1088/1475-7516/2012/12/020 SN - 1475-7516 UR - https://hdl.handle.net/20.500.14352/44912 T2 - Journal of cosmology and astroparticle physics AB - We study the accelerated expansion of the Universe through its consequences on a congruence of geodesics. We make use of the Raychaudhuri equation which describes the evolution of the expansion rate for a congruence of timelike or null geodesics. In... LA - eng PB - IOP Publishing KW - Generalized raychaudhuri equations KW - Point-of-view KW - Modified gravity KW - World-structure KW - Dark energy KW - Cosmological constant KW - Quantum-theory KW - Space KW - Supernovae KW - Tensor TI - Focusing of geodesic congruences in an accelerated expanding Universe TY - journal article ER -