 95448 H. Narnhofer, I. Peter, W. Thirring
 How Hot Is the de Sitter Space?
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Oct 11, 95

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Abstract. We show that the unique invariant locally Minkowskian state
of quantum fields in de Sitter space $M$ has for an observer
moving along with a Killing vector field a temperature
$\frac{1}{2\pi} \sqrt{\frac{1}{R^2} + a^2}$ where $R$ is the radius
of $M$ and $a$ his acceleration. States with another temperature
cannot be locally Minkowskian all over $M$.
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