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    Home/Original/inverse
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    Inverse View

    It is not the case that The trajectories of individual components in environmental decoherence models approximate Newtonian trajectories surprisingly well.

    ?Set your confidence on the premises below to see your aggregate.

    Reasons For

    2 perspectives
    Reason for 1 of 2
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    • 1.Approximation of Newtonian trajectories by component wavefunctions does not establish that those trajectories are ontologically real within the quantum formalism.
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    • 2.Without a preferred basis solution, 'individual components' remain branch-relative artifacts of the decomposition, not independent physical trajectories.
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    • 3.Zurek's existential interpretation presupposes the very classical ontology it purports to derive, rendering the Newtonian approximation argument circular.
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    Reason for 2 of 2
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    • 1.The master equation comparison suppresses interference terms by tracing over environmental degrees of freedom, but this mathematical move does not eliminate superpositions from the global state.
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    • 2.Omnes and Gell-Mann/Hartle's consistent histories frameworks show that multiple incompatible quasi-classical trajectory sets can satisfy decoherence conditions equally well, undermining any unique Newtonian approximation claim.
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    Reasons Against

    1 perspective
    Reason against
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    • 1.In models where preferred states are coherent states, the master equation for the reduced state of the system can be compared with the evolution of a classical Liouville distribution.
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    • 2.This comparison suggests that individual component trajectories approximate corresponding Newtonian trajectories.
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