Re: John Polasek "Dual Space" (real or imaginary??)
- From: "p6" <atomicp6@xxxxxxxxx>
- Date: 15 Jun 2005 16:51:01 -0700
Let's start from the beginning.
What is science real take on the vacuum?
Is there many belief system among different scientists along
this line?
Do you believe that there is a staggering of energy in the
vacuum as suggested by John Wheeler. If he is wrong.
Why is he wrong?
I got the following from web site that introduces the concept
of quantum vacuum. Which do you think is fact, fiction or
exagerations??
"In quantum physics the quantum vacuum is defined as the lowest
energy state of a system of which the equations obey wave mechanics
and special relativity. It is considerably more than just the state of
a system, however. It is the locus of a vast energy field that is
neither classically electromagnetic nor gravitational, nor yet nuclear
in nature. Instead, it is the originating source of the known
electromagnetic, gravitational, and nuclear forces and fields. It is
the originating source of matter itself.
The technical definitions of the quantum vacuum point to a continuous
energy sea in which particles of matter are specific substructures.
According to Paul Dirac's calculation, all particles in positive
energy states have negative- energy counterparts (by now such"
antiparticles" have been found experimentally for all presently known
particles). The zero- ppoint field of the quantum vacuum is a "Dirac-
sea": a sea of particles in the negative energy state. These particles
are not observable - physicists cal l them "virtual." But they are not
fictional for all that. By stimulating the negative energy states of
the ZPF with sufficient energy (of the order of 10- 27 erg), a
particular region of it can be "kicked" into the real (that is,
observable) state of positive energy. This is the process known as
pair- creation: out of the vacuum emerges a positive energy (real)
particle, with a negative energy (virtual) particle remaining in it.
Thus the Dirac- sea is everywhere; the observable universe floats, as
it were, on its surface. The quantum vacuum contains a staggering
density of energy. John Wheeler estimated its matter- equivalent at
1094 gram per cm3 - and that is more than all the matter in the
universe put together. Compared with this energy density, the energy
of the nucleus of the atom - the most energetic chunk of matter in the
known universe - seems almost minuscule: it is "merely" 1014
gram/cm3. The vacuum itself is not material: its zero- point energies
- exceed al l the energies bound in matter 1040 time s - are in the
negative state. This is fortunate, for if they were not, the universe
would instantly collapse to a size smaller than the radius of an atom.
(This follows from E = mc2, Einstein's celebrated mass- energy
equivalence relation: energy corresponds to mass, and mass in turn
entails gravitation.) Because the "real" world of matter - that is, of
energy bound in mass - is so much less energetic than the vacuum, the
observable universe is not a solid condensate floating on top of the
vacuum, but like a set of bubbles suspended in it. In terms of energy,
the material world is not a solidification of the quantum vacuum, but
a thinning of it."
.
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