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What is the entropy of the quantum state vacuum in inflationary theory

  1. Aug 6, 2013 #1
    Consider the vacuum state that is hypothesised to precede the moment of inflation in classical inflationary theory.

    The theory assumes that quantum fluctuations in this vacuum are magnified because of the process of inflation and have gone on to form the real energy structures that we witness in our present universe.

    Obviously, these structures contain information and have therefore a degree of entropy. Since these structures can be ultimately traced back to the vacuum, is it reasonable to assume that the vacuum state must also possess some kind of entropy?

    If so, would one describe this entropy as low (perhaps considering the many quantum fluctuations to be information) or high (maybe since there is no real energy present in the vacuum)? Or can the vacuum be said not to have any entropy at all?
     
  2. jcsd
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