2008, Vol.11, No.3, pp.352-359
This work presents two new approaches associated with
calculations of the black hole entropy: density matrix
deformation, earlier developed by the author to study a quantum
theory of the Early Universe (Planck's scales) and applied to
study a quantum theory of black holes, and also the approach based
on the Generalized Uncertainty Principle (GUP). The first approach
that has formed the basis for investigation into the information
paradox problem, entropy of the black hole remainders after
evaporation, and consistency with the holographic principle is
considered in more detail. In conclusion these two approaches are
compared and the prospects for their further use are discussed.
Key words:
deformed density matrix, deformed entropy, black hole
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