Tag: General relativity
Neural framework models Einstein field equations in dynamic gravity
What the study found GRAVI-NEURAL is a physics-informed artificial intelligence framework that uses a Covariant Neural Operator to learn, approximate, and evolve solutions to the Einstein Field Equations under dynamic and strong-field gravitational conditions. It represents spacetime as a Minkowski background plus a learned neural perturbation field. What the authors say this matters The authors…
Wavefunction collapse is proposed as a source of time and emergent gravity modes
What the study found The paper develops a proposed theory in which wavefunction collapse in general relativity gives rise to time. In this framework, quantum states that violate the momentum and Hamiltonian constraints represent instances of time, and stochastic fluctuations of the lapse and shift drive evolution toward a diffeomorphism-invariant state. Why the authors say…

Separability of gravitational wave equations in rotating black hole geometries
Analytical study of gravitational wave propagation in Myers-Perry higher-dimensional rotating black holes using separation of variables techniques to derive explicit solutions.

