Quantum effects in a rotating spacetime

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17 Scopus citations


The behavior of a arbitrary coupled quantum scalar field is studied in the background of the Gödel spacetime. Closed forms are derived for the effective action and the vacuum expectation value of quadratic field fluctuations by using ζ-function regularization. Based on these results, we argue that causality violation presented in this spacetime cannot be removed by quantum effects.

Original languageEnglish
Pages (from-to)715-731
Number of pages17
JournalInternational Journal of Modern Physics D
Issue number5
StatePublished - 2002
Externally publishedYes


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