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def definition def or abbrev

momentumPointer

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formal statement (Lean)

  94def momentumPointer : PointerState := {

proof body

Definition body.

  95  observable := "momentum",
  96  selection_reason := "Translation-invariant interactions favor momentum states"
  97}
  98
  99/-- **THEOREM (Einselection)**: The environment selects pointer states.
 100    In RS: environment imposes J-cost that selects classical basis. -/

depends on (5)

Lean names referenced from this declaration's body.