"Stress Energy Tensor calculations.nb" is a Mathematica 11.0 notebook created to calculate the renormalized stress energy tensor for the semi-classical Nariai limit in a gravitational collapse scenario for my Masters thesis titled "Semiclassical Stability of the (1+1)D Nariai Limit"
Makes use of the GR_v2 package by Giovanni Formighieri (Universidade Federal de Santa Catarina, 2015) -- https://library.wolfram.com/infocenter/MathSource/8847/