{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T03:33:51Z","timestamp":1768880031064,"version":"3.49.0"},"reference-count":36,"publisher":"World Scientific Pub Co Pte Lt","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Mod. Phys. D"],"published-print":{"date-parts":[[2015,9]]},"abstract":"<jats:p> In this paper, we present a new cosmological event, which we named the little sibling of the big rip. This event is much smoother than the big rip singularity. When the little sibling of the big rip is reached, the Hubble rate and the scale factor blow up, but the cosmic derivative of the Hubble rate does not. This abrupt event takes place at an infinite cosmic time where the scalar curvature explodes. We show that a doomsday \u00e0 la little sibling of the big rip is compatible with an accelerating universe, indeed at present it would mimic perfectly a \u039bCDM scenario. It turns out that, even though the event seems to be harmless as it takes place in the infinite future, the bound structures in the universe would be unavoidably destroyed on a finite cosmic time from now. The model can be motivated by considering that the weak energy condition should not be strongly violated in our universe, and it could give us some hints about the status of recently formulated nonlinear energy conditions. <\/jats:p>","DOI":"10.1142\/s0218271815500789","type":"journal-article","created":{"date-parts":[[2015,7,1]],"date-time":"2015-07-01T23:22:56Z","timestamp":1435792976000},"page":"1550078","source":"Crossref","is-referenced-by-count":75,"title":["The little sibling of the big rip singularity"],"prefix":"10.1142","volume":"24","author":[{"given":"Mariam","family":"Bouhmadi-L\u00f3pez","sequence":"first","affiliation":[{"name":"Departamento de F\u00edsica, Universidade da Beira Interior, 6200 Covilh\u00e3, Portugal"},{"name":"Centro de Matem\u00e1tica e Aplica\u00e7\u00f5es da Universidade da Beira Interior (CMA-UBI), 6200 Covilh\u00e3, Portugal"},{"name":"Department of Theoretical Physics, University of the Basque Country UPV\/EHU, P. O. Box 644, 48080 Bilbao, Spain"},{"name":"IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain"}]},{"given":"Ahmed","family":"Errahmani","sequence":"additional","affiliation":[{"name":"Laboratory of Physics of Matter and Radiation, Mohammed I University, BP 717, Oujda, Morocco"}]},{"given":"Prado","family":"Mart\u00edn-Moruno","sequence":"additional","affiliation":[{"name":"Centro de Astronomia e Astrof\u00edsica da Universidade de Lisboa, Campo Grande, Edific\u00edo C8, 1749-016 Lisboa, Portugal"},{"name":"Centro Multidisciplinar de Astrof\u00edsica \u2013 CENTRA, Departamento de F\u00edsica, Instituto Superior T\u00e9cnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal"}]},{"given":"Taoufik","family":"Ouali","sequence":"additional","affiliation":[{"name":"Laboratory of Physics of Matter and Radiation, Mohammed I University, BP 717, Oujda, Morocco"}]},{"given":"Yaser","family":"Tavakoli","sequence":"additional","affiliation":[{"name":"Departamento de F\u00edsica, Universidade Federal do Esp\u00edrito Santo, Av. Fernando Ferrari 514, Vit\u00f3ria \u2013 ES, Brazil"}]}],"member":"219","published-online":{"date-parts":[[2015,8,12]]},"reference":[{"key":"rf1","volume-title":"Gravitation","author":"Misner C. W.","year":"1973"},{"key":"rf2","doi-asserted-by":"publisher","DOI":"10.1017\/CBO9780511524646"},{"key":"rf4","doi-asserted-by":"publisher","DOI":"10.1088\/0067-0049\/208\/2\/19"},{"key":"rf6","doi-asserted-by":"publisher","DOI":"10.1093\/mnras\/sts084"},{"key":"rf7","doi-asserted-by":"publisher","DOI":"10.1016\/S0370-2693(02)02589-3"},{"key":"rf8","first-page":"157","volume":"6","author":"Starobinsky A. 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