Re: Is the quantum field an aether?

<ptamirez@xxxxxxxxxxx> wrote in message
news:1142030909.839905.327580@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
| Hi,
|
| I don't understand: On the one hand with special relativity Einstein
| got rid of the aether - the medium which electromagnetic waves use to
| travel and which can be used as an absolute reference system. On the
| other hand in quantum field theory quantum fields are invented which
| fill all space and which are the "medium" for particle waves. Isn't
| this reinventing the aether? In what way is this 'aether' bettern than
| the one Einstein got rid?

Volovik says it very well in his comprehensive book "The Universe in a
Helium Droplet" first paragraph of the Conclusion,

"According to the modern view the elementary particles (electrons,
neutrinos, quarks, etc.) are excitations of some more fundamental medium
called the quantum vacuum. This is the new ether of the 21st century
[and last part of the 20th]. The electromagnetic and gravitational
fields, as well as the fields transferring the weak and the strong
interactions, all represent different types of collective motion of the
quantum vacuum."

Einstein did not "get rid of" the fundamental medium. He just showed it
was not necessary to include it for *most* physics. I highly suspect
the "new" ether as Volovik mentions will be necessary for a complete
theory of quantum gravity.

FrediFizzx
http://www.vacuum-physics.com

.

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