Does Light have a Ground State ?

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SUMMARY

The discussion centers on the concept of whether light possesses a "ground state" as it interacts with energy and the expansion of the universe. It posits that as light loses energy over time, its oscillation rate decreases and its wavelength stretches, potentially leading to a state where distinct light quanta merge into a homogeneous continuum. The current cosmic microwave background temperature is noted to be below 3 Kelvin, which is expected to approach absolute zero as energy sources diminish over time.

PREREQUISITES
  • Understanding of quantum mechanics and light behavior
  • Familiarity with the concept of oscillation and wavelength
  • Knowledge of cosmic microwave background radiation
  • Basic principles of thermodynamics, particularly absolute zero
NEXT STEPS
  • Research the implications of light behavior in quantum mechanics
  • Explore the concept of cosmic expansion and its effects on light
  • Study the properties of the cosmic microwave background radiation
  • Investigate the principles of thermodynamics related to absolute zero
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Physicists, cosmologists, and anyone interested in the fundamental properties of light and the implications of cosmic expansion on energy and temperature.

Les Sleeth
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Does Light have a "Ground State"?

Light when it gains or loses energy, increases or decreases its oscillation rate, and shortens or lengthens its wave length (respectively). Do anyone find it hard to imagine just how fast and short light was circa big bang?

Is it possible, given enough time and expansion of the universe, that radiated light's oscillation rate will so slow, and its wave length will become so stretched, that light will eventually lose its integrity as distinct particles? In other words, will all previously distinct light quanta, in the end, blend into one homogeneous continuum of undifferentiated "ground state" of light?
 
Last edited:
Science news on Phys.org
Current microwave background is at a temperature below 3o Kelvin. As time goes on, it gets lower. It might take forever, but eventually it will get to absolute 0. Also there won't be any more energy sources left.
 

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