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Guillem Perez-Nadal (Buenos Aires & Barcelona)
Friday 15 February 2013, 13:00-14:00
Stress tensor fluctuations in de Sitter spacetime
- đ¤ Speaker: Guillem Perez-Nadal (Buenos Aires & Barcelona)
- đ Date & Time: Friday 15 February 2013, 13:00 - 14:00
- đ Venue: Pavilion B Potter Room (B1.19)
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Abstract
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.
Series This talk is part of the DAMTP Friday GR Seminar series.
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