On 10/13/2019 6:44 AM, Bruno Marchal wrote:
On 9 Oct 2019, at 08:28, 'Brent Meeker' via Everything List
<[email protected]> wrote:
On 10/8/2019 9:20 PM, Alan Grayson wrote:
I've argued this before, but it's worth stating again. It's a misintepretation of
superposition to claim that a system described by it, is in all the component states
simultaneously. As is easily seen in ordinary vector space, an arbitrary vector has an
uncountable number of different representations. Thus, to claim it is in some specific
set of component states simultaneously, makes no sense. Thus evaporates a key
"mystery" of quantum theory, inclusive of S's cat and Everett's many worlds. AG
No. It changes the problem to the question of why there are preferred bases.
There are no preferred base. Or, if you prefer, such base are chosen by the
entities which can be conscious, or compute, relatively to such base.
For someone who claims to have shown that physics is derivative from
psychology that should count as fundamentally preferred.
Brent
Then there are some explanation why such bases favour the position observable,
like the analysis by Zurek of decoherence.
Bruno
Brent
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