On 28 Mar 2014, at 23:05, meekerdb wrote:
On 3/28/2014 8:03 AM, Bruno Marchal wrote:
On 27 Mar 2014, at 15:55, smi...@zonnet.nl wrote:
Citeren Stathis Papaioannou <stath...@gmail.com>:
Is electron position a continuous observable? Even if it is and
there are
an infinity of brains, why should that result in an infinity of
minds? It
would seem unlikely that brains would evolve so that an
arbitrarily small
change in the position of an electron would cause a change in
consciousness, and we know that even gross changes in the brain,
as occur
in stroke or head injury, sometimes have remarkably little effect.
--
Stathis Papaioannou
Yes, there are only a finite number of quantum states that even
the entire visible part of the universe can be in.
In which theory? I mean, in which QM?
I think that even an electron in an atom of hydrogen can be in
infinitely many quantum states, in non GR version of QM. I guess I
miss something here.
That is only true of an idealized hydrogen atom in an otherwise
empty, infinite universe.
You think about its energy state, but I was thinking more on the
position of the electron, without GR.
In the real world there are other atoms and fields that disrupt the
Rydberg orbits. Supposedly the number of states within the hubble
sphere is limited by the holographic principle - although that's
speculation based on on semi-classical analysis of horizons.
OK.
Bruno
http://iridia.ulb.ac.be/~marchal/
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