Results 81 to 90 of about 299,841 (224)
, 2010 The observable universe could be a 1+3-surface (the “brane”) embedded in a 1+3+d-dimensional spacetime (the “bulk”), with Standard Model particles and fields trapped on the brane while gravity is free to access the bulk.
Roy Maartens +3 more
core +1 more source
Inflationary perturbations and precision cosmology [PDF]
Physical Review D, 2005 Inflationary cosmology provides a natural mechanism for the generation of primordial perturbations which seed the formation of observed cosmic structure and lead to specific signals of anisotropy in the cosmic microwave background radiation. In order to test the broad inflationary paradigm as well as particular models against precision observations, it
Habib, Salman +3 more
openaire +2 more sources
On Our Cosmic (In)significance
Ratio, EarlyView.ABSTRACT This article discusses three interpretations of cosmic significance, all of which reveal something important about the notion of significance. Along the way, it proposes a unified view of significance by combining elements of each of the views.
Oskari Sivula
wiley +1 more source
Perturbations in massive gravity cosmology [PDF]
Journal of High Energy Physics, 2012 We study cosmological perturbations for a ghost free massive gravity theory formulated with a dynamical extra metric that is needed to massive deform GR. In this formulation FRW background solutions fall in two branches. In the dynamics of perturbations around the first branch solutions, no extra degree of freedom with respect to GR ispresent at ...
Crisostomi M, Comelli D, PILO, LUIGI
openaire +3 more sources
PSR, Modal Collapse, and Open Future in Ibn Sīnā's Philosophy
Theoria, EarlyView.ABSTRACT It has been contended that the Principle of Sufficient Reason (PSR) implies necessitarianism—that is, the view that everything occurs out of necessity. Discussing a well‐known argument for this claim developed by contemporary metaphysicians, I show that Ibn Sīnā has anticipated a counterpart of this argument, and that is precisely why he is ...
Mohammad Saleh Zarepour
wiley +1 more source
On the effect of renormalization group improvement on the cosmological power spectrum
European Physical Journal C: Particles and Fields, 2018 Asymptotically safe quantum gravity predicts running gravitational and cosmological constants, while it remains a meaningful quantum field theory because of the existence of a finite number of non-Gaussian ultraviolet fixed points.
R. Moti, A. Shojai
doaj +1 more source
Cosmological backreaction from perturbations [PDF]
Journal of Cosmology and Astroparticle Physics, 2008 15 pages, 8 figures; replaced by version accepted by ...
Behrend, Juliane +2 more
openaire +2 more sources
Leibniz on Compossibility: Towards a Neo‐Logical Interpretation
Theoria, EarlyView.ABSTRACT Leibniz's concept of compossibility explains why not all possible substances are actualised, thereby resisting Spinoza's necessitarianism. Yet, the precise basis of incompossibility remains unresolved. The influential ‘logical’ interpretation—exemplified by the Hintikka–D'Agostino thesis—locates incompossibility in contradictions among ...
Jun Young Kim
wiley +1 more source
Semiclassical approximations to cosmological perturbations [PDF]
, 2007 Ph.D.
openaire +2 more sources
City &Society, Volume 38, Issue 3, December 2026.ABSTRACT This paper proposes the notion of “olfactory contact zones” to investigate the role of odors and scents and the affects they give rise to in Berlin's urban publics. Drawing on the notion of the “afterlife” of racialised violence, it shows how tropes of the “smelly immigrant,” anchored in European antisemitism and colonial history, live on ...
Claudia Liebelt
wiley +1 more source