Creating a Photon-Free Space: Is it Possible?

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SUMMARY

Creating a space devoid of photons is fundamentally impossible due to the omnipresence of photons in various forms. Single photon emitters have been developed to study photon behavior, but observing an individual photon is not feasible as space is filled with photons even in perceived darkness. Achieving conditions close to a photon-free environment may involve reaching 0 Kelvin or utilizing a hollow metallic sphere or a Bose-Einstein condensate. However, the existence of virtual photons complicates the notion of a completely photon-free space.

PREREQUISITES
  • Understanding of quantum mechanics and photon behavior
  • Familiarity with Bose-Einstein condensates
  • Knowledge of thermodynamics, particularly concepts related to absolute zero
  • Awareness of virtual particles in quantum field theory
NEXT STEPS
  • Research the properties and applications of Bose-Einstein condensates
  • Study the implications of reaching 0 Kelvin in quantum systems
  • Explore the concept of virtual photons in quantum field theory
  • Investigate experimental setups for single photon detection
USEFUL FOR

Physicists, quantum mechanics researchers, and anyone interested in the fundamental properties of light and particle physics.

kuro-hi
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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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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.
 

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