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Coulomb corrections in the lepton-pair production in ultrarelativistic nuclear collisions
(Amer Physical Soc., 2005)
We solve the perturbative electron-positron pair production exactly by calculating the second-order Feynman diagrams. We compare our result with Born methods that include Coulomb corrections. We find that a small-momentum ...
On the inverse point-source problem of the poisson equation
(Istanbul University, 2005)
In this work a basic inverse heat conduction problem of a simple 2-D model with steady state heat source is taken into view. The physical problem is for a square region with uniform thermophysical properties and a point ...