Creating a Photon-Free Space: Is it Possible?

In summary, the conversation discusses the possibility of creating a space devoid of photons and the challenges in observing single photons due to the abundance of photons in the universe. It suggests methods such as reaching 0 Kelvin or using a hollow metallic sphere or a bose einstein condensate, but acknowledges that virtual photons are spontaneously created regardless. The conversation also raises the question of whether it is necessary to consider photons as a group rather than as individual particles in understanding their motion and behavior.
  • #1
kuro-hi
22
0
Is it possible to create a space void of photons? Or rather free from photon interference? I know single photon emitters have been made to test the behaviour of photons. However it would appear that space...well everything is jam packed with photons in various forms, and therefore "observing" a single photon seems impossible as its not as easy as turning out the lights. Even darkness is light and space is not the darkness our eyes feebly percieve. I ask this because it would then seem necessary to account for photons as a group or whole regarding motion and behaviour rather than an individual wave particle.
 
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  • #2
I'd start with reaching 0 Kelvin. Then we might get close using a hollow metallic sphere or a bose einstein condensate, but I think the particle guys will tell you virtual photons are spontaneously created anywhere.
 

1. Can a completely photon-free space be created in a laboratory?

While it is theoretically possible to create a space with no photons, it is practically impossible to achieve in a laboratory setting. Photons are everywhere in our environment, and it would be nearly impossible to eliminate all sources of photons.

2. Why would someone want to create a photon-free space?

Some scientists may want to create a photon-free space to study the behavior of matter without the influence of light. This can help with understanding the properties of materials and their interactions.

3. What techniques are used to create a photon-free space?

Scientists may use methods such as vacuum chambers, which can reduce the number of photons in a space, or they may use materials that absorb photons to create a dark environment. Another technique is to use lasers to trap and remove photons from a space.

4. Is it possible to create a space with absolutely no photons?

No, it is not possible to create a space with absolutely no photons. Even in the most controlled environments, there will always be some stray photons present.

5. What are the potential applications of a photon-free space?

A photon-free space can have many practical applications. It can be used in materials research, as well as in developing new technologies such as quantum computing and telecommunications. It can also help in understanding the behavior of matter in extreme conditions, such as in space or in high-energy environments.

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