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Holographic principle

  1. Jan 1, 2006 #1
    If the entropy, S of a black hole is proportional to the area of the horizon, A, then, what about an observer moving with a constant velocity, v with the BH? Another observer moving with a constant acceleration with respect to the BH?
    After all, entropy is an invariant but area is not. So, isn't this a problem?
  2. jcsd
  3. Jan 4, 2006 #2
    Unruh radiation?
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