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Stress tensor fluctuations in de Sitter spacetime

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If you have a question about this talk, please contact Dr Joan Camps.

In this talk I will discuss general properties of the stress tensor two-point function of a quantum field in a maximally symmetric spacetime. Such a two-point function tells us about how the metric fluctuations are affected by the presence of the field. I will also give explicit results for non-self-interacting scalar fields in de Sitter spacetime, and comment on the subtleties arising in the massless case.

This talk is part of the DAMTP Friday GR Seminar series.

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