Can Photon Bose-Einstein Condensates Exist Alongside Other Force Propagators?

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Discussion Overview

The discussion centers on the possibility of photon Bose-Einstein (BE) condensates and whether other force propagators, such as gravitons and gluons, can also form BE condensates. It explores theoretical implications and conditions necessary for achieving such states, particularly in relation to temperature requirements for different types of bosons.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants propose that photons already exist in a Bose-Einstein condensate, suggesting they are a clear example of this phenomenon.
  • Others inquire about the potential for other elementary particle bosons to form BE condensates.
  • There is a question regarding the necessity of low temperatures for alkali nuclei to achieve BE condensates, with a suggestion that thermal fluctuations disrupt long-range coherence.
  • Some participants note that other types of BE condensates exist, particularly in atomic gases, which also require low temperatures.

Areas of Agreement / Disagreement

Participants express differing views on the existence of photon BE condensates and the conditions required for other bosons to form similar states. The discussion remains unresolved regarding the broader applicability of BE condensation to various force propagators.

Contextual Notes

Participants mention the role of thermal fluctuations in achieving BE condensates, indicating that the discussion may depend on specific definitions and assumptions about coherence and temperature effects.

touqra
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Can we have a photon BE condensate? Theoretically, can graviton and gluons and all other force propagators make BE condensates?
 
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Er... photons ARE already in a BE condensate! They are the clearest example of such a thing.

Zz.
 
ZapperZ said:
Er... photons ARE already in a BE condensate! They are the clearest example of such a thing.

Zz.

What about other kind of elementary particle bosons?

Why does alkali nuclei need low temperature to achieve BE condensate?
 
touqra said:
What about other kind of elementary particle bosons?

Why does alkali nuclei need low temperature to achieve BE condensate?

There are already other BE condensates, even in atomic gasses. You need low temperature for these because thermal fluctuations destroy long-range coherence.

Zz.
 

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