On Saturday, May 26, 2018 at 5:08:51 AM UTC, Brent wrote:
>
>
>
> On 5/25/2018 9:50 PM, [email protected] <javascript:> wrote:
>
> *Right. I was just making the observation that when we don't see advanced
> EM waves (coming from the future?), it's generally not seen as a big deal
> and they're ignored. But when decoherence or the MWI implies the creation
> of full-blown worlds (that we can't observe), there seems to be a large
> body of opinion that accepts this bizarre result without serious criticism
> that there's no mechanism or process for creating full-blown worlds. No. I
> don't believe in such worlds. I tend to think a large segment of
> professional physicists have gone mad. AG*
>
>
> Except you've got it backwards.
>
I've got what backwards? AG
> There is a mechanism and process for creating them FAPP, evolution by the
> Schroedinger equation, which is the same process used in predicting
> results. But there is no physical mechanism for making them
> disappear....there's a mathematical process, i.e. taking the partial trace
> which is the same as applying a projection operator (with a little better
> justification).
>
*You mean the other worlds disappear via some mathematical process? This
contradicts what you and Bruce have written here several times. No, you
guys have been saying they're created by the form of the wf, at least for
the spin example, and then isolated, perhaps by the S. equation. I haven't
gotten to that yet. AG*
> A large segment of professional physicists never heard of you.
>
*Cheap shot. Have they heard of you? They've heard of Weinberg and he
thinks they've gone mad. AG *
|Brent
>
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