Decoherent histories on graphs
classification
🌀 gr-qc
quant-ph
keywords
historiescausaleventsgraphsacyclicapproachconsistentconstruction
read the original abstract
The consistent histories approach to quantum mechanics is traditionally based on linearly ordered sequences of events. We extend the histories formalism to sets of events whose causal ordering is described by directed acyclic graphs. The need for a global time is eliminated and our construction reflects the causal structure faithfully.
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