On 6/16/2018 1:46 PM, [email protected] wrote:
On Saturday, June 16, 2018 at 7:25:20 PM UTC, Brent wrote:
On 6/16/2018 2:02 AM, [email protected] <javascript:> wrote:
One hour ago I had coffee. You are now in universe U, where I
had
coffee. Hadn't I had coffee this morning, you would now be in
universe
U', where I didn't have coffee. I guess you could say that I
created
universe U, but I don't think I will be worshiped has a god
any time
soon. *
*
*
Applying the MWI to this situation, it would look something like
this; you go into a restaurant and have coffee. As a result,
immediately, another universe is created which has a copy of you,
inclusive of your memories, where you DON'T to go into the
restaurant. Can't the see the foolishness of what the MWI
assumes? Namely, everything that's possible to happen, MUST
happen. AG *
Yes, that's a common conclusion and presumably why this is called
the "everything-list".
*
Does the name of the list imply the discussion is limited to the MWI
or that it's in the ballpark of reality??? AG
Do me a favor and try to explain the problem I posed a few messages
back, or maybe on the Entanglement thread, about the principle of
superposition. Specifically, the role of interference and what it has
to do with the interpretation that a system in a superposition is in
all component states simultaneously. This seems to be the case even
when the component states are orthogonal as a basic property of linear
algebra, yet interference among the states (the non orthogonal case?)
seems necessary to get the double slit probability density. TIA, AG
*
You seem confused about interference and entanglement. Entanglement
means there's been some past interaction so there are cross terms in the
reduced density matrix of two entangled things. They are "interfering"
with one another. But this is in general not observable because they
are interfering with lots of other stuff too. When you refer to double
slit experiments showing interference, it is because the interference
has been isolated to one simple effect that we can observe.
Brent
*
*
It isn't actually an implication of QM though. QM forbids lots
of things, https://arxiv.org/abs/quant-ph/0702121v1
<https://arxiv.org/abs/quant-ph/0702121v1>. And MWI is just an
interpretation. We don't have a quantum theory of spacetime and
when we do it may rule out the MWI. So one shouldn't become too
invested in it or it's contrary.
Brent
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