In "quantum eraser" experiments the erasure is done by making the measured
value
ambiguous, e.g. by making a different measurement which does not commute with
the one to be erased. In terms of MWI this has the effect or recohering (or
more accurately, not decohering) the branches rather than
On Sun, Mar 15, 2009 at 07:06:06PM -0700, Brent Meeker wrote:
>
> No need to do it. Even more telling experiments have already been done in
> which
> the "measurement" was just the unrecorded IR radiation from buckyballs.
> Buckyballs which were sufficiently cold showed the 2-slit interferenc
Hi Brent,
But does not MWI imply that if we could somehow erase all (retrivable!)
records of a measurement, that we would - in effect - be culling that
branch from the Tree?
- Original Message -
From: "Brent Meeker"
To:
Sent: Sunday, March 15, 2009 10:06 PM
Subject: Re: Changi
russell standish wrote:
> On Sun, Mar 15, 2009 at 11:06:42AM -0700, Brent Meeker wrote:
>> Saibal Mitra wrote:
>>> If we consider measuring the spin of a particle, you could also say that the
>>> two possible outcomes just exist and thatthere are two possible future
>>> versions of me. There is no
On Sun, Mar 15, 2009 at 11:06:42AM -0700, Brent Meeker wrote:
>
> Saibal Mitra wrote:
> > If we consider measuring the spin of a particle, you could also say that the
> > two possible outcomes just exist and thatthere are two possible future
> > versions of me. There is no meaningful way to assoc
At 06:20 PM 3/15/2009, George Levy wrote:
>I agree with Anna. In addition, it all depends on where you define
>the boundary of the self. Just the brain? Brain + body? Brain + body
>+ immediate surrounding (prescription glasses being worn, automobile
>being driven, binoculars or computer being us
I agree with Anna. In addition, it all depends on where you define the
boundary of the self. Just the brain? Brain + body? Brain + body +
immediate surrounding (prescription glasses being worn, automobile being
driven, binoculars or computer being used) ? Brain + body + Whole
causally connected
I agree with Anna. In addition, it all depends on where you define the
boundary of the self. Just the brain? Brain + body? Brain + body +
immediate surrounding (prescription glasses being worn, automobile being
driven, binoculars or computer being used) ? Brain + body + Whole
causally connected
> what nonzero probability implies, you'd have a hard time showing that
> anything non-contradictory at all has a nonzero probability of being true.
Er, I typed too quickly. I mean you'd have a hard time of showing that
anything non-contradictory has zero probability. Anything that isn't
mat
> Thanks! This is like undoing historical events. If you forget about the
> fact that dinosaurs ever lived on Earth and there is an alternative
> history
> that led to your existence in the multiverse, and you do the memory
> erasure
> also in sectors were dinosaurs never lived, you have some n
Hi Günther,
>
> Hi Bruno,
>
> thanks for your interesting answer, I have some questions though.
>
>> course, as I said, this will depend of what you mean by "you". In
>> case
>> you accept the idea of surviving with amnesia, you can even get to a
>> state where you "know" you are immortal, bec
Saibal Mitra wrote:
> If we consider measuring the spin of a particle, you could also say that the
> two possible outcomes just exist and thatthere are two possible future
> versions of me. There is no meaningful way to associate myself with either
> of the two outcomes.
>
> But then, precisely t
If we consider measuring the spin of a particle, you could also say that the
two possible outcomes just exist and thatthere are two possible future
versions of me. There is no meaningful way to associate myself with either
of the two outcomes.
But then, precisely this implies that after a measure
Thanks! This is like undoing historical events. If you forget about the
fact that dinosaurs ever lived on Earth and there is an alternative history
that led to your existence in the multiverse, and you do the memory erasure
also in sectors were dinosaurs never lived, you have some nonzero
probabi
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