Results 61 to 70 of about 48,355 (157)
Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight
Experimental Physiology, EarlyView.Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley +1 more source
Cosmological perturbations in non-commutative inflation [PDF]
Journal of Cosmology and Astroparticle Physics, 2007 7 pages, 1 ...
Koh, Seoktae, Brandenberger, Robert H.
openaire +2 more sources
The Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.ABSTRACT This article examines the historical displacement of Indigenous peoples in Venezuela, focusing on the links between indigenist policies and the exploitation of natural resources, particularly oil, throughout the 20th century. Using a combined historical and ethnographic approach, it demonstrates how the formation of the Venezuelan nation‐state
Gabriel Tardelli
wiley +1 more source
Cosmological parameters in noncommutative inflation [PDF]
Physics Letters B, 2004 We investigate how the uncertainty of noncommutative spacetime could explain the WMAP data. For this purpose, the spectrum is divided into the IR and UV region. We introduce a noncommutative parameter of $ _0$ in the IR region and a noncommutative parameter of $ _0$ in the UV region.
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Cosmological constraints on rapid roll inflation [PDF]
Journal of Cosmology and Astroparticle Physics, 2009 12 pages, 4 figures; version published in JCAP (v2)
Kobayashi T., Mukohyama S., Powell B. A.
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Modeling cosmological perturbations of thermal inflation
Classical and Quantum Gravity, 2023 Abstract We consider a simple system consisting of matter, radiation and vacuum components to model the impact of thermal inflation on the evolution of primordial perturbations. The vacuum energy magnifies the primordial modes entering the horizon before its domination, making them potentially observable, and the resulting transfer ...
Jeong-Myeong Bae +2 more
openaire +4 more sources
A symmetric DBI action theory and its applications to inflationary cosmology
European Physical Journal C: Particles and Fields, 2021 The Dirac-Born-Infeld (DBI) field theory in string theory is important and can provide the field of the universe’s inflation. At the same time, it provides a causal mechanism for generating the original density perturbation, thereby providing the ...
Xiaokun Yang +2 more
doaj +1 more source
A New Hilbert's Hotel Argument Against Past‐Eternalism
Analytic Philosophy, Volume 67, Issue 2, Page 145-153, June 2026.ABSTRACT This paper offers a new formulation of the “Hilbert's Hotel Argument” (HHA) which is superior to existing formulations because it (1) demonstrates that HH is logically impossible in the concrete world, (2) takes into account the need to consider the assumptions of HHA, and (3) offers a reply to an important objection concerning the validity of
Andrew Ter Ern Loke, Eli Haitov
wiley +1 more source
Cosmological constraints on Higgs-dilaton inflation [PDF]
Physical Review D, 2016 21 pages, 7 figures, changes match published ...
Trashorras, Manuel +2 more
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Starobinsky-Like Inflation and Running Vacuum in the Context of Supergravity
Universe, 2016 We describe the primeval inflationary phase of the early Universe within a quantum field theoretical (QFT) framework that can be viewed as the effective action of vacuum decay in the early times. Interestingly enough, the model accounts for the “graceful
Spyros Basilakos +2 more
doaj +1 more source