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arxiv: hep-th/0503022 · v1 · submitted 2005-03-02 · ✦ hep-th

A remark on alpha vacua for quantum field theories on de Sitter space

classification ✦ hep-th
keywords alphaquantumsitterspacevacuaaveragedbeencandidates
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It is shown that the so-called $\alpha$-vacua which have been proposed as candidates for states of free quantum fields on de Sitter space have infinitely strong fluctuations for typical observables as averaged renormalized energy momentum tensor.

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