On Fri, Nov 21, 2014 at 4:52 AM, Bruno Marchal <[email protected]> wrote:

>
> On 20 Nov 2014, at 19:10, Richard Ruquist wrote:
>
>
>
> On Thu, Nov 20, 2014 at 10:50 AM, Bruno Marchal <[email protected]> wrote:
>
>>
>> On 20 Nov 2014, at 01:03, Russell Standish wrote:
>>
>>  On Wed, Nov 19, 2014 at 11:06:47AM -0500, Richard Ruquist wrote:
>>>
>>>>
>>>> The collapse hypothesis is correct if we need to conserve the total
>>>> energy
>>>> and information in the universe.
>>>> Richard
>>>>
>>>
>>>
>>> Wavefunction collapse creates information, it does not conserve it.
>>>
>>> Conserving information is equivalent to demanding unitarity of
>>> evolution. Wave function collapse is non-unitary.
>>>
>>
>> Exactly. It is the advantage of the "many-worlds". The evolution of the
>> universe/multiverse is a unitary transformation in the configuration space
>> (the Hilbert space). It is deterministic, reversible, and let the
>> probabilities and the information invariant. It is also local. And it
>> explains why the memories of the observers contains appearance of
>> indeterminacy (in a way coherent with computationalism that Everett
>> assumed), non-locality, irreversibility, etc.
>>
>> Like you say: the collapse, if it was a physical phenomenon, would just
>> contradict QM. The collapse is really an axiom saying that QM is false when
>> observers do measurement. But this has never been successfully clarified,
>> imo.
>>
>
>
> With a sufficient number of observations/measurements the entire wave
> function is mapped out on the detector screen.
>
>
> Locally, I mean in your branch of the universal wave (say). But the number
> of branch is the same, in the differentiation (as opposed to splitting)
> view.
>
>
>
> Therefore experimental measurements verify QM. It seems we live in an
> energy conserving but non-unitary, information-creating universe.
>
>
> It seems, yes. In our branch. But not in the physical reality as a whole,
> where information and energy are constant, and arbitrary I would say.
>
> Energy is not constant in the MWI multiverse.
Richard

> Bruno
>
>
>
> Richard
>
>
>>
>> Bruno
>>
>>
>>
>>
>>>
>>> --
>>>
>>> ------------------------------------------------------------
>>> ----------------
>>> Prof Russell Standish                  Phone 0425 253119 (mobile)
>>> Principal, High Performance Coders
>>> Visiting Professor of Mathematics      [email protected]
>>> University of New South Wales          http://www.hpcoders.com.au
>>>
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>>
>> http://iridia.ulb.ac.be/~marchal/
>>
>>
>>
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> http://iridia.ulb.ac.be/~marchal/
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