Friedmann Equations from Entropic Force
arXiv:1001.3470 · doi:10.1103/PhysRevD.81.061501
Abstract
In this note by use of the holographic principle together with the equipartition law of energy and the Unruh temperature, we derive the Friedmann equations of a Friedmann-Robertson-Walker universe.
latex, 8 pages, v2: minor modifications and to appear in PRD (Rapid Communication)
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- Lessons from Classical Gravity about the Quantum Structure of Spacetime
- Inflation in Entropic Cosmology: Primordial Perturbations and non-Gaussianities
- Notes on Entropy Force in General Spherically Symmetric Spacetimes
- Thermodynamics of Black Holes from Equipartition of Energy and Holography
- Entropic Corrections to Einstein Equations
- Cosmological Constraints on the Modified Entropic Force Model
- Entropic force and entanglement system
- A note on entropic force and brane cosmology
- Constraining Entropic Cosmology
- Debye entropic force and modified Newtonian dynamics
- The holographic screen at low temperatures
- Towards a Holographic Description of Inflation and Generation of Fluctuations from Thermodynamics
- The Friedmann equation in modified entropy-area relation from entropy force
- A No-go Theorem Prohibiting Inflation in the Entropic Force Scenario
- Noncommutative Geometry Inspired Entropic Inflation
- Entropic force in the presence of black hole
- First law of thermodynamics on holographic screens in entropic force frame
- Does entropic force always imply the Newtonian force law?
- Influence on the entropic force by the virtual degree of freedom on the holographic screen
- On thermal force from holographic action
- Unification of Dark Matter and Dark Energy in a Modified Entropic Force Model
- A vacuum component of the Universe must evolve