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arXiv · 1312.2429

Semiclassical treatment of pair creation in de Sitter space

Sergey Guts
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Abstract

We study a massive scalar field theory in de Sitter space. Using worldline instanton approach, we calculate probability of pair production in weak-field limit. In addition to exponential factor we derive pre-exponential factor. Within this approach the vanishing probability for odd-dimensional de Sitter space gets a clear geometrical interpretation. We find leading contribution to imaginary part of two point correlator in $\phi^3$-theory.

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Sergey Guts. 2013-12-09. Semiclassical treatment of pair creation in de Sitter space. https://doi.org/10.1007/s11232-014-0181-y

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