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  Reissner Nordström background metric in dynamical coordinates: exceptional behaviour of Hadamard states

Barve, S., & Prasanna, A. R. (2004). Reissner Nordström background metric in dynamical coordinates: exceptional behaviour of Hadamard states. Classical Quantum Gravity, 21, 1505-1517.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-502B-0 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-502C-E
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 Urheber:
Barve, Sukratu1, Autor
Prasanna, A. R., Autor
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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 Zusammenfassung: We cast the Reissner Nordström solution in a particular coordinate system which shows dynamical evolution from initial data. The initial data for the E < M case are regular. This procedure enables us to treat the metric as a collapse to a singularity. It also implies that one may assume Wald axioms to be valid globally in the Cauchy development, especially when Hadamard states are chosen. We can thus compare the semiclassical behaviour with the spherical dust case, looking upon the metric as well as state-specific information as evolution from initial data. We first recover the divergence on the Cauchy horizon obtained earlier. We point out that the semiclassical domain extends right up to the Cauchy horizon. This is different from the spherical dust case where the quantum gravity domain sets in before. We also find that the backreaction is not negligible near the central singularity, unlike the dust case. Apart from these differences, the Reissner Nordstrom solution has a similarity with dust in that it is stable over a considerable period of time. The features appearing in dust collapse mentioned above were suggested to be applicable within general spherical symmetry. The Reissner Nordstrom background (along with the quantum state) generated from initial data, is shown not to reproduce them.

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 Datum: 2004-03-21
 Publikationsstatus: Im Druck publiziert
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 Identifikatoren: eDoc: 118622
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Titel: Classical Quantum Gravity
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 21 Artikelnummer: - Start- / Endseite: 1505 - 1517 Identifikator: -