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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
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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