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I Dimensionless time

  1. Oct 10, 2016 #1
  2. jcsd
  3. Oct 10, 2016 #2

    PeterDonis

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    2016 Award

    Staff: Mentor

    The "dimensionless time" is just a way of scaling the time coordinate in relation to the mass of the hole. Some sources also use a dimensionless radial coordinate which is constructed basically the same way, as a ratio of the usual radial coordinate to a constant times the hole's mass. The idea is to separate out aspects of the physics that are the same regardless of the mass of the hole.
     
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