I like Kevin Knuth's theory of emergent space time. It is far more simple
and does not need to get into quantum aspects other than a basic notion of
an observer. An observer is a simple entity whose state is changed as the
result of an observation/interaction: A nice video of one of his talks can
be found on the Perimeter Institute website.
On Sunday, December 29, 2013 12:16:28 PM UTC-5, Edgar L. Owen wrote:
> I want to try to state my model of how spacetime is created by quantum
> events more clearly and succinctly.
> Begin by Imagining a world in which everything is computational. In
> particular where the usually imagined single pre-existing dimensional
> spacetime background does NOT exist.
> Now consider how we can get a spacetime to emerge from the computations in
> a way that conceptually unifies GR and QM, eliminates all quantum
> 'paradoxes', and explains the source of quantum randomness in the world.
> There is an easy straightforward way though it takes a little effort to
> understand, and one must first set aside some common sense notions about
> Assume a basic computation that occurs is the conservation of particle
> properties in any particle interaction in comp space.
> The conservation of particle properties essentially takes the amounts of
> all particle properties of incoming particles and redistributes them among
> the outgoing particles in every particle interaction.
> The results of such computational events is that the particle properties
> of all outgoing particles of every event are interrelated. They have to be
> to be conserved in toto. This is called 'entanglement'. The outgoing
> particles of every event are always entangled on the particle properties
> conserved in that event.
> Now some particle properties (spin, mass, energy) are dimensional particle
> properties. These are entangled too by particle interaction events. In
> other words, all dimensional particle properties between the outgoing
> particles of every event are interrelated. They have to be for them to be
> conserved. These relationships are exact. They must be to satisfy the
> conservation laws.
> Now assume every such dimensional entanglement effectively creates
> a spacetime point, defined as a dimensional interrelationship.
> Now assume those particles keep interacting with other particles. The
> result will be an ever expanding network of dimensional interrelationships
> which in effect creates a mini spacetime manifold of dimensional
> Now assume a human observer at the classical level which is continuously
> involved in myriads of particle interaction (e.g. millions of photons
> impinging on its retina). The effect will be that all those continuous
> particle events will result in a vast network of dimensional
> interrelationships that is perceived by the human observer as a classical
> He cannot observe any actual empty space because it doesn't actually
> exist. All that he can actually observe is actual events with dimensional
> relationships to him. Now the structure that emerges, due to the math of
> the particle property conservation laws in aggregate, is consistent and
> manifests at the classical level as the structure of our familiar
> But this, like all aspects of the classical 'physical' world, is actually
> a computational illusion. This classical spacetime doesn't actually exist.
> It must be continually maintained by myriads of continuing quantum events
> or it instantly vanishes back into the computational reality from which it
> Now an absolutely critical point in understand how this model conceptually
> unifies GR and QM and eliminates quantum paradox is that every
> mini-spacetime network that emerges from quantum events is absolutely
> independent of all others (a completely separate space) UNTIL it is linked
> and aligned with other networks through some common quantum event. When
> that occurs, and only then, all alignments of both networks are resolved
> into a single spacetime common to all its elements.
> E.g. in the spin entanglement 'paradox'. When the particles are created
> their spins are exactly equal and opposite to each other, but only in their
> own frame in their own mini spacetime. They have to be to obey the
> conservation laws. That is why their orientation is unknowable to a human
> observer in his UNconnected spacetime frame of the laboratory.
> However when the spin of one particle is measured that event links and
> aligns the mini-spacetime of the particles with the spacetime of the
> laboratory and that makes the spin orientations of both particles aligned
> with that of the laboratory and thereafter the spin orientation of the
> other particle will always be found equal and opposite to that of the first.
> There is no FTL communication, there is no 'non-locality', there is no
> 'paradox'. It all depends on the recognition that the spin orientations of
> the particles exist in a completely separate unaligned spacetime fragment
> from that of the laboratory until they are linked and aligned via a
> measurement event.
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