Pair production by boost-invariant fields in comoving coordinates
Abstract
Description
We derive the pair-production probability in a constant electric field in Rindler coordinates in a quasi-classical approximation. Our result is different from the pair-production probability in an inertial frame (Schwinger formula). In particular, it exhibits non-trivial dependence on rapidity and deviation from Gaussian behavior at small transverse momenta. Our results can be important for analysis of particle production in heavy-ion collisions.
12 pages, 2 figures. Discussion added and typos fixed
12 pages, 2 figures. Discussion added and typos fixed