On Fri, Nov 21, 2014 at 2:05 PM, <[email protected]> wrote: > > > On Friday, November 21, 2014 12:40:11 PM UTC, yanniru wrote: >> >> >> >> On Fri, Nov 21, 2014 at 7:02 AM, <[email protected]> wrote: >> >>> >>> >>> On Monday, November 17, 2014 11:49:06 AM UTC, Bruno Marchal wrote: >>>> >>>> >>>> On 16 Nov 2014, at 20:32, 'Chris de Morsella' via Everything List wrote: >>>> >>>> Interesting speculative physics… that makes claims that parallel worlds >>>> may be testable. >>>> >>>> “A new theory, proposed by Howard Wiseman, Director of the Centre of >>>> Quantum Dynamics at Griffith University, is different. No new universes are >>>> ever created. Instead many worlds have existed, side-by-side, since the >>>> beginning of time. “ >>>> >>>> >>>> >>>> >>>> Well, to be sure, this is how Deutsch interprets Everett. Me too, even >>>> for computationalism, where I sum up this by the Y = II rule. The >>>> mutiplication (Y) in the future duplicate the past (Y becomes II). >>>> >>> >>> I once asked you if you shared Deutsch's interpretation of the MWI in >>> terms of fungible worlds divergent by decoherance, but otherwise >>> invariant in all dimensions a frozen structure, every thing that ever has, >>> and ever will, ever can occur, frozen in little multidimensional capsule. >>> >> >> That is exactly how I see it. From computationalism, everything that can >> possibly happen can be computed ahead of time >> in a deterministic block multiverse. No need for time, energy or matter- >> it is entirely mathematical- a 4 dimensional math space (actually pops out >> of my metaverse` string cosmology). In a deterministic universe >> consciousness and free will seem to also not be needed. But once the >> quantum mechanics of energy and matter, along with conservation of >> mass/energy are introduced, the multiverse becomes unique. That's what >> physics says. But lately, a strong dose of entanglement is thought to be >> needed to change quantum probabilities into statistical mechanics, the >> basis of ordinary thermodynamics. >> Richard >> >> >>> >>> You said you didn't, you saw it differently. I forget precisely what and >>> how. Have you changed your mind at a point between? What was the crucial >>> shift that fundamentally changed the picture for you? >>> >>> Perhaps you are now closely enough aligned with him that you will answer >>> the question that he will not despite many times my asking. >>> >>> Deutsch explains in BoI chapter "The Reality of Abstractions" that >>> abstractions have physical reality independent of dependence of emergent >>> features from underlying, increasingly physical layers >>> >>> So, given independence, that is causal isolation, what is the physical >>> mechanism by which decoherence at the quantum level, will trigger >>> divergence, and divergence will replicate abstract layers that are >>> independent of quantum forces? >>> >>> How does that happen? And if it doesn't happen precisely every single >>> time, how can macroscopic reality be stable? Cause and effect would never >>> endure >>> >>> Second challenge: If the two slit experiment is explained by divergent >>> universes, then the pattern we see in the interval of 'collapse' is >>> therefore the momentary isolation of just this universe as all the others >>> diverge. >>> >>> Which means it should be distinctive in its own right, from what we >>> shall see as the pattern in 'one slit' experiment. >>> Is it? I shall bet it is indistinguishable. >>> >> >> The one-slit pattern is a smear with perhaps some diffraction >> oscillations on the fringe of the smear. >> The double-slit experiment shows a very distinctive interference pattern >> instead and in place of the smear. >> > > I don't agree. There must be an interference at this level. It just take > place at a resolution or displacement (i.e. dimensionality) that isn't > obvious and/or a non-trivial analytical problem teasing out. But it will be > there. The carry-on by infinity theorists that it is not stands directly in > contradiction of the current lynchpin for why a multiverse is...IS > QM...and QM is....MULTIVERSE....(taken seriously you see). That would > be the invariant universality of the wave function. > > At all scales, levels, universes and senses....except the one > slit experiment where it isn't. That's actually a wave function > collapse event too, you know. > >> >> > Simple ray optics tells you that beyond the pinhole or single slit, the wavefront proceeds spherically for a pinhole or cylindrically for a 2D slit. Collapse is necessary if you wish to conserve energy. There is no interference for a pinhole or single slit. Richard
> >>> Then, is the one slit experiment isolating this universe in some way? >>> >> >> There are an infinity of other universes in the one-slit experiment. >> But say the incident photon has a certain frequency, that is a fixed >> energy. >> The detection screen then records only one photon of the same frequency >> and same energy. >> Thereby quantum collapse ensures conservation of energy. >> The infinite number of other worlds still exist mathematically in the >> Math Space of the block multiverse... >> But a recalculation, like making a wrong turn, must be done in Math Space >> to account for quantum collapse. >> The need for continual recalculations may be the foundation of time. >> Richard >> >>> -- >>> 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. > -- 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.
