Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-01-10
Rev.Math.Phys. 12 (2000) 461-473
Physics
High Energy Physics
High Energy Physics - Theory
17 pages, tcilatex, still more typos removed and one reference corrected
Scientific paper
In thermal states of chiral theories, as recently investigated by H.-J. Borchers and J. Yngvason, there exists a rich group of hidden symmetries. Here we show that this leads to a radical converse of of the Hawking-Unruh observation in the following sense. The algebraic commutant of the algebra associated with a (heat bath) thermal chiral system can be used to reprocess the thermal system into a ground state system on a larger algebra with a larger localization space-time. This happens in such a way that the original system appears as a kind of generalized Unruh restriction of the ground state sytem and the thermal commutant as being transmutated into newly created ``virgin space-time region'' behind a horizon. The related concepts of a ``chiral conformal core'' and the possibility of a ``blow-up'' of the latter suggest interesting ideas on localization of degrees of freedom with possible repercussion on how to define quantum entropy of localized matter content in Local Quantum Physics.
Schroer Bert
Wiesbrock Hans-Werner
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