Results 81 to 90 of about 973 (226)
Communications PhysicsCosmology faces major observational challenges arising from the spatial and temporal scales involved. Analogue experiments that recreate cosmological scenarios in the laboratory offer a valuable means to probe and better understand the current tensions ...
Felipe A. Asenjo +2 more
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Modern Theology, EarlyView.Abstract This essay, designed as a complement to opinions expressed by Rowan Williams and some speakers at the conference in his honour, explores features of early Christianity which suggest a positive evaluation of artificial intelligence. Noting that the fear of reducing humans to machines has been joined in the modern age by the fear that machines ...
Mark J. Edwards
wiley +1 more source
QNMs of charged black holes in AdS spacetime: A geometrical optics perspective
Physics Letters BWe investigate the quasinormal modes of the Reissner−Nordström anti−de Sitter black hole using the Penrose limit, motivated by the geometrical optics approximation.
Shubham Kala, Anik Rudra, Hemwati Nandan
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The Analogia Entis for Reformed Theology: Retrieving Calvin's Implicit Metaphysics
Modern Theology, EarlyView.Abstract The famous controversy between Emil Brunner and Karl Barth which led to Barth's ‘No!’ was driven by disagreements over how to read John Calvin: Barth and Brunner never agreed on whether Calvin had a doctrine of the analogy of being. This article rekindles the debate.
Silvianne Aspray
wiley +1 more source
Life, but Not as We Know It: Why Fine‐Tuning Arguments Fail
Noûs, EarlyView.ABSTRACT Definitions of “life” and theories of life are systematically neglected in arguments for and from fine‐tuning. Despite claims to be neutral about the definition of “life,” fine‐tuning arguments generally presuppose that life requires a form of structural complexity only afforded by physicochemical complexity of the sort with which we are ...
Joe Gough
wiley +1 more source
Renormalized cosmological perturbation theory
Physical Review D, 2006 We develop a new formalism to study nonlinear evolution in the growth of large-scale structure, by following the dynamics of gravitational clustering as it builds up in time. This approach is conveniently represented by Feynman diagrams constructed in terms of three objects: the initial conditions (e.g.
Crocce, M., Scoccimarro, R.
openaire +2 more sources
Cosmological implications of the Weyl geometric gravity theory
European Physical Journal C: Particles and FieldsWe consider the cosmological implications of the Weyl geometric gravity theory. The basic action of the model is obtained from the simplest conformally invariant gravitational action, constructed, in Weyl geometry, from the square of the Weyl scalar, the
Tiberiu Harko, Shahab Shahidi
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Viable inflationary models in a ghost-free Gauss–Bonnet theory of gravity
European Physical Journal C: Particles and Fields, 2019 In this work we investigate the inflationary phenomenological implications of a recently developed ghost-free Gauss–Bonnet theory of gravity. The resulting theory can be viewed as a scalar Einstein–Gauss–Bonnet theory of gravity, so by employing the ...
Shin’ichi Nojiri +4 more
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Journal of High Energy Physics, 2020 The quantum fluctuations of the Higgs field during inflation could be a source of primordial density perturbations through Higgs-dependent inflaton decay.
Shiyun Lu, Yi Wang, Zhong-Zhi Xianyu
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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