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TITLE: Axionic defects in the CMB: birefringence and gravitational waves  Full Text
AUTHORS: Ferreira, Ricardo Z.; Gasparotto, Silvia; Hiramatsu, Takashi; Obata, Ippei; Pujolas, Oriol;
PUBLISHED: 2024, SOURCE: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, VOLUME: 2024, ISSUE: 5
INDEXED IN: Scopus WOS
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TITLE: The fate of a universe driven by a linear potential  Full Text
AUTHORS: Ricardo Z Ferreira; Pedro P Avelino ;
PUBLISHED: 2018, SOURCE: CLASSICAL AND QUANTUM GRAVITY, VOLUME: 35, ISSUE: 17
INDEXED IN: Scopus WOS CrossRef: 1
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TITLE: Wormholes and Time-Machines in Nonminimally Coupled Matter-Curvature Theories of Gravity  Full Text
AUTHORS: Orfeu Bertolami ; Ricardo Zambujal Ferreira;
PUBLISHED: 2013, SOURCE: Conference on Time Machine Factory [Unspeakable, Speakable] on Time Travel in Turin in TM 2012 - THE TIME MACHINE FACTORY [UNSPEAKABLE, SPEAKABLE] ON TIME TRAVEL IN TURIN, VOLUME: 58
INDEXED IN: Scopus WOS CrossRef: 2
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TITLE: Bouncing Eddington-inspired Born-Infeld cosmologies: An alternative to inflation?
AUTHORS: Avelino, PP ; Ferreira, RZ;
PUBLISHED: 2012, SOURCE: PHYSICAL REVIEW D, VOLUME: 86, ISSUE: 4
INDEXED IN: Scopus WOS CrossRef: 120
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TITLE: Traversable wormholes and time machines in nonminimally coupled curvature-matter f(R) theories
AUTHORS: Orfeu Bertolami ; Ricardo Zambujal Ferreira;
PUBLISHED: 2012, SOURCE: PHYSICAL REVIEW D, VOLUME: 85, ISSUE: 10
INDEXED IN: Scopus WOS CrossRef: 41