On 6/16/2018 2:32 PM, [email protected] wrote:
On Saturday, June 16, 2018 at 9:07:43 PM UTC, Brent wrote:
On 6/16/2018 1:46 PM, [email protected] <javascript:> wrote:
On Saturday, June 16, 2018 at 7:25:20 PM UTC, Brent wrote:
On 6/16/2018 2:02 AM, [email protected] 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
*
Suppose I write a wf in an orthogonal vs non-orthogonal basis. In both
cases, the system can be interpreted as being in all component states
simultaneously due to the properties of linear algebra, that is vector
addition. But does interference exist in the latter case due to non
orthogonality? TIA, AG
*
Interference has to be between two states. If the states are orthogonal
there's no interference between them. It doesn't matter what basis is
used to represent the states.
Brent
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