Measurements at the Cosmological Horizon?

Click For Summary
SUMMARY

The discussion centers on the implications of the holographic principle, which posits that the 3D physical world is encoded on a 2D cosmological horizon. It explores whether measurements on this 2D shell generate new information, correlating with the observed increase in entropy within the 3D universe. The conversation also examines the nature of these measurements, likening them to quantum decoherence, and investigates potential connections to dark energy, emphasizing that increased entropy is proportional to the horizon's area, leading to larger enclosed volumes as spatial inflation occurs.

PREREQUISITES
  • Understanding of the holographic principle in theoretical physics
  • Knowledge of quantum mechanics, specifically decoherence
  • Familiarity with concepts of entropy and its relation to thermodynamics
  • Basic comprehension of dark energy and cosmic inflation
NEXT STEPS
  • Research the implications of the holographic principle on cosmology
  • Study quantum decoherence and its effects on information theory
  • Explore the relationship between entropy and black hole thermodynamics
  • Investigate the role of dark energy in cosmic expansion and its effects on entropy
USEFUL FOR

The discussion is beneficial for theoretical physicists, cosmologists, and researchers interested in the intersection of quantum mechanics and cosmology, particularly those exploring the implications of the holographic principle and dark energy.

FallenApple
Messages
564
Reaction score
61
Under the holographic principle, the physical description of the 3d world at a particular location in spacetime is encoded on the two dimensional cosmological horizon that encapsulates it.

Does that imply that the "measurements" taking place on a 2d shell that is the horizon is creating new information on that shell, which maps to the observed increasing entropy within the corresponding enclosed 3d section of universe?

What is this "measurement"? Is it just the interaction of bits of quantum information, analogous to decoherence in regular quantum mechanics?
 
Physics news on Phys.org
Also, does this have any relation to dark energy? The amount of entropy( i.e information) is proportional to the area of a horizon. Increased information means increased surface area, which means the volume enclosed becomes larger. Since spatial volume itself is inflating due to dark energy, it's natural to see the potential for some sort of connection here.
 

Similar threads

Undergrad Electrons keeping dynamical quantum fluctuations?
  • · Replies 0 ·
Replies
0
Views
1K
Undergrad Two recent tests of loop quantum gravity theory
  • · Replies 15 ·
Replies
15
Views
6K
Undergrad Questions on the consequence of an evolving dark energy parameter
  • · Replies 1 ·
Replies
1
Views
2K
High School Is 3D reality merely an illusion?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate BMS symmetries and black hole horizons
  • · Replies 4 ·
Replies
4
Views
3K
Graduate "Monstrous Higgs and Leech Spacetime"
  • · Replies 0 ·
Replies
0
Views
4K
Graduate Multi-scale Decoherence and the Quantum-to-Classical Transition
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Is the Holographic Principle the Key to Understanding Our Universe?
  • · Replies 40 ·
2
Replies
40
Views
8K
Undergrad Event Horizons - Holographic Principle
  • · Replies 20 ·
Replies
20
Views
3K
Graduate Do entanglement networks encode a unique, local historical record?
  • · Replies 2 ·
Replies
2
Views
2K