Gravitational Time Dilation Expressed Through Volumetric Density
Year: 2025
Type: article
Abstract: Title: Gravitational Time Dilation Expressed Through Volumetric Density Abstract/Description: This paper presents a novel reformulation of Einstein's gravitational time dilation equation by expressing it as a function of volumetric density rather than mass. Starting from the classical Schwarzschild metric formula t'/t = √(1 - 2GM/rc²), the author derives an equivalent expression: t'/t = √(1 - K×ρ×r²), where K = 8πG/3c² ≈ 6.2×10⁻²⁹ g⁻¹cm³ is a newly defined gravitational constant. Key contributions: Pedagogical innovation: Makes time dilation more intuitive by focusing on density-space relationships Conceptual insight: "Time bends not just around mass, but through how tightly matter is packed" Practical utility: Simplifies calculations for dense astrophysical objects (white dwarfs, neutron stars) Educational value: More accessible framework for teaching general relativity concepts The reformulation reveals how the density-radius pair (ρ×r²) directly governs gravitational time effects, providing enhanced intuition for understanding spacetime curvature. Comparative analysis shows dramatic differences between weak fields (Earth: negligible effect) and extreme environments (neutron stars: ~0.5% time dilation). Applications: Educational tools, astrophysical calculations, conceptual bridge between matter properties and spacetime geometry. Limitations: Assumes spherical symmetry, uniform density, and weak fields outside event horizons.
Author: BURTIN, Guillaume
Language: English
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W6930883538
FWCI:
Cites:
Cited by:
Related to: