
Vacuum energy predicted 10^120 times too large
Vacuum energy predicted 10^120 times too large
The cosmological constant problem highlights the vast gap between theoretical predictions and observed values of vacuum energy density. Quantum field theory estimates vacuum energy density to be 50 to 122 orders of magnitude greater than what is observed. This discrepancy is considered the largest in all of science and possibly the worst theoretical prediction in physics history.
Example
If quantum field theory's vacuum energy were accurate, it would imply a vacuum energy density around 10^120 times greater than what we actually observe.
Remember this
Understanding this discrepancy is crucial for advancing theoretical physics and achieving a more accurate understanding of the universe's fundamental forces and structure.
Text adapted from Wikipedia, licensed under CC BY-SA 4.0.
Cosmic inflation
Cosmic inflation explains the universe's uniform temperature
Theory of everything
Can there be more to reality than we see?
Casimir effect
Casimir effect arises from quantum vacuum fluctuations
Friedmann equations
Friedmann equations govern cosmic expansion in homogeneous and isotropic models
Physics beyond the Standard Model
Could the universe be hiding clues about its deepest secrets?
Asymptotic safety
Quarks interact more weakly at higher energies, earning the 2004 Nobel Prize
Swipe through 100 ML concepts daily
Open Pocket Polymath