Exact mechanism of Casimir force

In summary, the Casimir force is a phenomenon that occurs when two uncharged plates are placed in close proximity. The force is caused by the blocking of certain vacuum fluctuations between the plates, resulting in a higher pressure outside the plates compared to inside. The exact mechanism of how this pressure forms is still being researched, but it is believed to be a result of the incident waves being reflected off the plates. However, there is still debate and further research needed to fully understand the nature of the Casimir force.
  • #1
alpha_wolf
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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?
 
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  • #2
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.
 
  • #3
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:.
 
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Related to Exact mechanism of Casimir force

1. What is the Casimir force?

The Casimir force is a physical phenomenon that describes the attractive force between two uncharged parallel plates in a vacuum. It is caused by fluctuations in the electromagnetic field and is stronger the closer the plates are to each other.

2. How does the Casimir force work?

The Casimir force is a result of the zero-point energy of the quantum vacuum. This energy causes fluctuations in the electromagnetic field, which in turn creates a pressure between the plates, resulting in an attractive force.

3. What is the exact mechanism of the Casimir force?

The exact mechanism of the Casimir force is still being studied and is not fully understood. However, it is believed to be a result of the interaction between virtual particles in the vacuum and the plates, which creates an attractive force.

4. What factors affect the strength of the Casimir force?

The strength of the Casimir force is affected by the distance between the plates, the shape and material of the plates, and the temperature. In general, the force becomes stronger as the plates get closer together and weaker as the temperature increases.

5. What are the applications of the Casimir force?

The Casimir force has potential applications in nanotechnology, specifically in micro- and nano-electromechanical systems (MEMS/NEMS). It could also have implications in improving the performance of devices such as accelerometers, gyroscopes, and atomic force microscopes.

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