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    Decoherence selects preferred bases relative to a choice ... — Carmelics
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    Challenges→In environmental decoherence models with coherent preferred states, the resulting trajectories of individual components will be close to Newtonian ones on relevant scales.

    Decoherence selects preferred bases relative to a choice of system-environment partition, which is not determined by the formalism itself.

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    Reasons For

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    • 1.The Schrödinger equation is partition-agnostic; it treats all degrees of freedom identically, so partitions require external specification.
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    • 2.Different system-environment cuts produce empirically distinct decoherence rates, showing the partition choice has real physical consequences.
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    • 3.Natural partitions (macroscopic vs microscopic) emerge pragmatically from measurement contexts, not from mathematical structure alone.
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    Reasons Against

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    • 1.Effective Hamiltonians and interaction strengths in realistic systems naturally suppress certain bases; the partition follows, not precedes.
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    • 2.If preferred bases are truly underdetermined, the same system should decohere into incompatible bases simultaneously—contradicting empirical stability.
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    • 3.The formalism's symmetries and conservation laws constrain viable partitions; they are not arbitrary human conventions but theory-immanent constraints.
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    Related

    Different system-environment cuts produce empirically distinct decoherence rates...Effective Hamiltonians and interaction strengths in realistic systems naturally ...If preferred bases are truly underdetermined, the same system should decohere in...In environmental decoherence models with coherent preferred states, the resultin...
    +3 moreShow less
    Natural partitions (macroscopic vs microscopic) emerge pragmatically from measur...The Schrödinger equation is partition-agnostic; it treats all degrees of freedom...The formalism's symmetries and conservation laws constrain viable partitions; th...

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