Exact mechanism of Casimir force

Click For Summary
SUMMARY

The Casimir force arises from the differential pressure exerted by vacuum fluctuations between two closely spaced conductive plates. This phenomenon occurs because the plates restrict certain modes of vacuum fluctuations, resulting in higher pressure outside the plates compared to the inside. The discussion highlights that while the basic mechanism is understood, the precise nature of how this pressure forms, whether through wave reflection or other processes, remains an area for further research.

PREREQUISITES
  • Quantum field theory fundamentals
  • Understanding of vacuum fluctuations
  • Knowledge of wave phenomena in physics
  • Familiarity with the Casimir effect
NEXT STEPS
  • Research the mathematical formulation of the Casimir effect
  • Explore experimental setups for measuring the Casimir force
  • Investigate the implications of vacuum fluctuations in quantum mechanics
  • Study related phenomena such as the van der Waals force
USEFUL FOR

Physicists, researchers in quantum mechanics, and anyone interested in the fundamental forces of nature and their implications in theoretical physics.

alpha_wolf
Messages
163
Reaction score
0
Do we actually know exactly how the Casimir force is produced, or is this still something to be researched? I know the plates block out some of the vacuum flactuations modes, so the "pressure" outside the plates is more than the "pressure" inside the plates. But how does this "pressure" form? Is this an issue of reflecting the incident waves off the plates, or is there something else going on?
 
Physics news on Phys.org
alpha_wolf said:
Do we actually know exactly how the Casimir force is produced, or is this still something to be researched? I know the plates block out some of the vacuum flactuations modes, so the "pressure" outside the plates is more than the "pressure" inside the plates. But how does this "pressure" form? Is this an issue of reflecting the incident waves off the plates, or is there something else going on?

http://xxx.lanl.gov/abs/hep-th/9901011
http://xxx.lanl.gov/abs/quant-ph/0106045

I always hesitate when dealing with this because quacks would bastardize the "headlines" and think zero-point energy is that easy to pop into existence...

Zz.
 
The same thing happens with waterwaves. When two ships are close together they are drawn to each other. So it's a quite general wave phenomenon. This doesn't bring you any closer to the exact nature of the Casimir force though... :wink:.
 
Last edited:

Similar threads

  • · Replies 21 ·
Replies
21
Views
2K
  • · Replies 46 ·
2
Replies
46
Views
5K
  • · Replies 2 ·
Replies
2
Views
1K
  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 4 ·
Replies
4
Views
1K
  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 4 ·
Replies
4
Views
1K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K