Results 41 to 50 of about 1,515,012 (182)

Non-relativistic gravity and its coupling to matter

Journal of High Energy Physics, 2020
We study the non-relativistic expansion of general relativity coupled to matter. This is done by expanding the metric and matter fields analytically in powers of 1/c 2 where c is the speed of light.
Dennis Hansen, Jelle Hartong, Niels A. Obers   +2 more
doaj   +1 more source

A class of higher-dimensional solutions of Einstein’s vacuum equation

European Physical Journal C: Particles and Fields, 2019
A new class of higher-dimensional exact solutions of Einstein’s vacuum equation is presented. These metrics are written in terms of the exponential of a symmetric matrix and when this matrix is diagonal the solution reduces to higher-dimensional ...
Gabriel Luz Almeida, Carlos Batista
doaj   +1 more source

The Gibbs Paradox, the Landauer Principle and the Irreversibility Associated with Tilted Observers

Entropy, 2017
It is well known that, in the context of General Relativity, some spacetimes, when described by a congruence of comoving observers, may consist of a distribution of a perfect (non–dissipative) fluid, whereas the same spacetime as seen by a “tilted ...
Luis Herrera
doaj   +1 more source

This (Mortal) Christian Life: Growth in Grace and the Problem of Senescence

Modern Theology, EarlyView.
Abstract Theological accounts of the Christian life attempt to describe the manner in which the Holy Spirit's communication of Christ's redemptive work engenders new ways of being in the world. Such descriptions normally entail, in one form or another, the conclusion that the Christian life is marked by progressive growth in grace, an upward spiral in ...
Daniel Lee Hill
wiley   +1 more source

A Solitonic Approach of General Relativistic Spacetimes with Applications

Axioms
In this article, some remarkable results on general relativistic spacetimes with non-constant scalar curvature τ, admitting almost Ricci-Bourguignon solitons and gradient almost Ricci-Bourguignon solitons, have been established.
Abdul Haseeb, Sudhakar Kumar Chaubey, Mohammad Nazrul Islam Khan   +2 more
doaj   +1 more source

The Problem of Psychonomic Harmony

Philosophy and Phenomenological Research, EarlyView.
ABSTRACT The problem of nomological harmony is the problem of explaining why the laws of nature match or apply to the states of the universe in a way that results in temporal evolution. The problem of psychophysical harmony is the problem of explaining why phenomenal states are paired with physical states and other phenomenal states in surprisingly ...
Joseph C. Schmid
wiley   +1 more source

Aggregation and the Structure of Value

Noûs, Volume 60, Issue 3, Page 619-644, September 2026.
ABSTRACT Roughly, the view I call “Additivism” sums up value across time and people. Given some standard assumptions, I show that Additivism follows from two principles. The first says that how lives align in time cannot, in itself, matter. The second says, roughly, that a world cannot be better unless it is better within some period or another.
Weng Kin San
wiley   +1 more source

Anselm's Temporal‐Ontological Proof

Noûs, Volume 60, Issue 3, Page 645-660, September 2026.
ABSTRACT In his Reply to Gaunilo, Anselm presented two additional arguments for the existence of God beyond those that appear in the Proslogion. In “The Logical Structure of Anselm's Argument,” Robert M. Adams isolates each. One, he develops into a modal ontological argument along the lines of other 20th century ontological arguments (e.g., those of ...
Daniel Rubio
wiley   +1 more source

Conformal Ricci collineations in LRS Bianchi type V spacetimes with perfect fluid matter

, 2017
Considering the perfect fluid as a source of energy–momentum tensor, we have classified locally rotationally symmetric (LRS) Bianchi type V spacetimes according to their conformal Ricci collineations (CRCs).
Tahir Hussain, Fawad Khan, Sumaira Saleem Akhtar   +2 more
core   +1 more source

Cultural geography of heat: Artistic experiments with heat’s animacies

Geographical Research, Volume 64, Issue 3, August 2026.
A sustained, cultural geographical engagement with heat is long overdue. I advance this agenda by engaging with the work of contemporary artists. Artists are responding to uneven conditions of global heating by exploring heat’s animacies: how heat interweaves with the practices and textures of life.
Sasha Engelmann
wiley   +1 more source