Stochastic Quantization of Scalar Fields in de Sitter Spacetime

Details Stochastic Quantization of Scalar Fields in de Sitter Spacetime Stochastic Quantization of Scalar Fields in de Sitter Spacetime

2008-09-12

arxiv.org/abs/0809.2273v1

Class.Quant.Grav.26:075003,2009

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1088/0264-9381/26/7/075003

We consider the stochastic quantization method for scalar fields defined in a curved manifold. The two-point function associated to a massive self-interacting scalar field is evaluated, up to the first order level in the coupling constant $\lambda$, for the case of de Sitter Euclidean metric. Its value for the asymptotic limit of the Markov parameter $\tau\to\infty$ is exhibited. We discuss in detail the covariant stochastic regularization to render the one-loop two-point function finite in the de Sitter Euclidean metric.

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