Morbert's latest activity
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.In Barandes's formalism, interference terms in a quantum state encode the indivisibility of a stochastic process. From his... -
Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.The collapse postulate is motivated by the fact that, for all practical purposes, the statistics of a quantum system + pointer degrees...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.@Sambuco your case 2 is the relevant one. But The transition matrix nearly exactly reflects the dynamics of the particle + apparatus...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.It would only be equivalent to the collapse postulate if it was claimed that the transition matrix ##p(z_i\omega_i, t | z_j\omega_j,t')...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.Barandes's formalism is an effective collapse formalism, which means the transition matrix ##\Gamma(t\leftarrow 0) = \Gamma(t\leftarrow...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.The near exactness of divisibility, analogous to the near exactness of decoherence, means that for a toy system I described previously...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.For a subsystem constantly interacting with its environment, the stochastic dynamics will be divisible. They can be defined in terms of...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.This timestamp might be of interest, where he discusses dynamics of subsystems vs the entire universe.
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.See section 3.7 here. Transition maps are the entirety of dynamics in this formalism, and system-environment dynamics (equation 44) give...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.It's quite simple: Transition probabilities, not standalone probabilities, make up the nomological content of the reformulation. No...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.It is the case in Barandes's formalism. Consider for example a simple model of the Stern-Gerlach Experiment with initial particle...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.At the timestamp, Barandes remarks on the distinction between standalone probabilities and transition probabilities, the latter of which...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality."Bound to be unsatisfactory" needs to be unpacked. There are objective conditions of a good interpretation of quantum mechanics...
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.See this timestamp, where he distinguishes the dynamical conditional (transition) probabilities from the epistemic standalone probabilities.
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Morbert replied to the thread A Understanding Barandes' microscopic theory of causality.Equation (56) from this paper is an example of a subsystem's transition matrix divisible at ##t'##. The transition matrix...