On 20-12-2021 03:05, Bruce Kellett wrote:
On Mon, Dec 20, 2021 at 12:23 PM John Clark <[email protected]>
wrote:
On Sun, Dec 19, 2021 at 7:59 PM Brent Meeker <[email protected]>
wrote:
On 12/19/2021 5:25 AM, John Clark wrote:
By contrast the Many Worlds Theory only makes one assumption,
Schrodinger's Equation means what it says. So Many Worlds wins.
_> It also makes the assumption that the eigenvalues of a
measurement are realized probabilistically._
What is the eigenvalue of a temperature of 72°F? It doesn't have one.
A measurement doesn't have an eigenvalue but a matrix does, such as
the one that describes the Schrodinger Wave. And no quantum
interpretation needs to assume there is a relationship between the
square of the absolute value of that wave and probability because it
is observed to be true.
The Born Rule cannot be derived from the Schrodinger equation; it has
to be added as a further independent assumption. So it is not true
that Many Worlds makes only one assumption. It requires just as many
assumptions as collapse theories.
Bruce
Yes, but with those assumptions it yields an unambiguous framework for a
fundamental theory. In case of collapse theories, you're stuck with a
phenomenological theory that cannot be improved, because you are not
allowed to describe observers and observations within the collapse
frameworks. It's a bit like the difference between statistical mechanics
and thermodynamics, if in the latter case textbooks were to insist that
you are only allowed to consider certain types of heat engines that
operate in the quasistatic limit.
Saibal
If it were not true Schrodinger's Wave would be completely useless
and there would be no reason any physicist would bother to calculate
it.
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