I don't think you're disagreeing with me. I'm saying you have only
measured something when it is entangled with you and with the
environment. The "friend", as I understand the experiment, is entangled
with the system but not with the environment.
Brent
On 1/15/2021 5:00 PM, smitra wrote:
Decoherence should be irrelevant. Whether or not you (considered as
some given physical system) have measured something, should not only
depend on the entanglement between the measured system and those that
belong to you.
Saibal
On 16-01-2021 00:48, 'Brent Meeker' via Everything List wrote:
The Wigner's friend experiment proves a lot less than they headlines
hype.
The "friends" are quantum 1-degree-of-freedom systems, so they don't
decohere, and it's questionable to say they've measured anything.
Brent
On 1/15/2021 3:27 PM, Alina Gutoreva wrote:
"Before an idea is told, it’s never been true [1]?”-kind of
idea OR “levels [2]”-kind of idea? Or both [3]? I’m confused.
Please, don’t be angry.
Ally
On 15 Jan 2021, at 22:34, Alan Grayson <[email protected]>
wrote:
Why not assume the wf applies only before the measurement? Or why
not withhold judgement on a phenomenon not yet understood? Instead
you totally dismiss empirical evidence that no one ever observes a
split. AG
On Friday, January 15, 2021 at 1:18:53 PM UTC-7 [email protected]
[4] wrote:
On Fri, Jan 15, 2021 at 2:22 PM Alan Grayson <[email protected]>
wrote:
Why do you assume that the initial observer splits after initial
trial when it's not observed? AG
For heaven sake haven't you been listening?! Because that is the
least bizarre interpretation anybody can think of to explain the
utterly bizarre results observed from the two slit experiment. There
is just no getting around it, if Many Worlds isn't true then
something even stranger must be.
John K Clark
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[5].
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[6].
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[7].
Links:
------
[1]
https://www.technologyreview.com/2019/03/12/136684/a-quantum-experiment-suggests-theres-no-such-thing-as-objective-reality/
[2] https://t.me/decision_insights/523
[3] https://t.me/decision_insights/311
[4] http://gmail.com
[5]
https://groups.google.com/d/msgid/everything-list/2a6bf029-a37a-4049-ab90-0ee889ba9820n%40googlegroups.com?utm_medium=email&utm_source=footer
[6]
https://groups.google.com/d/msgid/everything-list/5BC6546E-8F24-4D9E-B432-23A92433AB94%40gmail.com?utm_medium=email&utm_source=footer
[7]
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