In the Sequence, Eliezer made a strong case for the realist interpretation of QM (neo-Everettian many worlds), based on decoherence and Occam's razor.
It's tendentious to call MWI the only realistic interpretation.
EY makes a case against CI, which in most circumstances would be a case against anti-realism. However his version of CI is actually OR, another realistic theory. So he never makes a case for realism against irrealism.
Comment author:MrMind
14 October 2016 09:11:09AM
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As far as I know, neoEverett is the smallest realist interpretation: Eliezer argued not only against anti-realism, but also in favor of the smallest theory that falls out of the formalism.
But MWi looks huge compared to RQM: it reifies basis, which is much more naturally explained as a choice by an observer, ie a "map" feature.
There are a number of kinds and grades of non-realism. Objective collapse theories reify both state and collapse,
MWI refies state only and RQM refies neither. Nonethless, it is not a completely anti-realist theory.
Comment author:MrMind
17 October 2016 08:09:21AM
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As far as I know, RQM is not even a complete interpretation of quantum mechanics. In the original paper by Rovelli, there are many holes left which I thought nobody has patched yet. If you know of an exposition that corrects those problems, I would gladly read it.
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Comments (26)
It's tendentious to call MWI the only realistic interpretation.
EY makes a case against CI, which in most circumstances would be a case against anti-realism. However his version of CI is actually OR, another realistic theory. So he never makes a case for realism against irrealism.
As far as I know, neoEverett is the smallest realist interpretation: Eliezer argued not only against anti-realism, but also in favor of the smallest theory that falls out of the formalism.
But MWi looks huge compared to RQM: it reifies basis, which is much more naturally explained as a choice by an observer, ie a "map" feature.
There are a number of kinds and grades of non-realism. Objective collapse theories reify both state and collapse, MWI refies state only and RQM refies neither. Nonethless, it is not a completely anti-realist theory.
As far as I know, RQM is not even a complete interpretation of quantum mechanics. In the original paper by Rovelli, there are many holes left which I thought nobody has patched yet. If you know of an exposition that corrects those problems, I would gladly read it.