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. Therefore experimental measurements verify QM. It seems we live in an energy conserving but non-unitary, information-creating universe. 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 >> >> Latest project: The Amoeba's Secret >> (http://www.hpcoders.com.au/AmoebasSecret.html) >> ------------------------------------------------------------ >> ---------------- >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Everything List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/everything-list. >> For more options, visit https://groups.google.com/d/optout. >> > > http://iridia.ulb.ac.be/~marchal/ > > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
