Have you heard about QED coherence in matter?

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SUMMARY

The discussion centers on Giuliano Preparata's theory of Quantum Electrodynamics (QED) coherence in matter, which posits that the standard perturbative vacuum is unstable and can transition to a new coherent vacuum. This theory suggests that the spectrum of this new vacuum can be derived through a variational procedure. Participants express interest in the implications of this theory on the interaction between matter and electromagnetic fields, particularly regarding zero-point energy fluctuations and electric dipole moments.

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  • Understanding of Quantum Electrodynamics (QED)
  • Familiarity with condensed matter physics
  • Knowledge of variational principles in quantum theory
  • Concept of zero-point energy fluctuations
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mgb2
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Hi,

I would like to know what do you think about the Giuliano Preparata theory on QED coherence in matter.
He studied the problem of the ground state in condensed matter under the hypotesis that the standard perturbative vacuum is unstable with respect to a new coherent vacuum, whose spectrum emerge quite naturally through a simple variational procedure.

Here you can find more informations:

https://www.amazon.com/dp/9812381767/?tag=pfamazon01-20
https://www.amazon.com/dp/9810222491/?tag=pfamazon01-20


Ciao

mgb2
 

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Physics news on Phys.org
But, is never possible that nobody of you is interested in this new way to watch to the reality of the world (without introducing new concepts, of course) ?

Just looking at interaction and dynamical evolution between matter and e.m. field in terms of quantized matter-wave-field and quantized e.m.-wave-field.

If you consider a piece of matter (N=10^23 but described by a field) what is the effect of interaction with the zero point energy fluctuations of the e.m. field??
What happens when the electric dipole moment field interact with e.m. field?

look at the article!

Ciao

mgb2
 

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