On 11/18/2019 12:20 PM, Alan Grayson wrote:
On Monday, November 18, 2019 at 1:16:46 PM UTC-7, John Clark wrote:
On Sun, Nov 17, 2019 at 7:43 AM Philip Thrift <[email protected]
<javascript:>> wrote:
*> /Adrian Kent/*/'s/ https://arxiv.org/abs/1305.6565
<https://arxiv.org/abs/1305.6565> /"real path quantum theory"
*RPQT*/
If you fire electrons at 2 slits and observe the slits then each
electron takes a real path through one and only one slit and no
interference pattern is produced. If you fire electrons at 2
slits and do NOT observe the slits then a interference pattern is
produced indicating that each electron went through both slits.
Thus real path quantum theory needs 2 sets of physical laws, one
for when things are observed and one when they are not. Many
Worlds only needs one set of physical laws, and one set is more
parsimonious than two.
That's what the evangelists for MWI say. But in fact some more stuff is
needed to explain why we see the world as we do, i.e. how probability
comes into it and why is there a preferred basis. Maybe this more stuff
can be derived from Schroedinger's equation, but even to do so seems to
require additional assumptions.
Brent
And if everything that can happen does happen then unlike its
competition Many Worlds doesn't have to explain exactly what a
"observation" is or worry about the true nature of consciousness
because it has nothing to do with it.
John K Clark
You're hopelessly deluded. AG
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