Hi
I think, QT should be background-independent. If such a theory exists,
space-time should be derived from that. (otherwise it would not be connected
to QT -or anything else).
The laws of thermodynamics could provide a method to define space as
'overlapping' quantumeffects.
It goes like this:
what a single photon (or entangled pair) could reach is called local- to
that photon.
Many photons form rays getting sharper, the more photons are involved.
The number of observed quanta is important in this kind of space
description.
Coming to big scales, the term entropy enters the stage Meaning that more
observed particles, space-time arises from quantum-effect, that are
non-geometric (non-local, non-causal).
Space-time in this picture is based on background-independent
quantum-effects as kind of sum over lots of those.
Space-time leads to space and time. Space is thought as tangential cut and
time as path through space-time.
Can anyone tell me, if that's a good idea or not?
Thomas Heger