Browsing by Author "Mekonnen, Eshetu"

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    Solution of the dirac equation in curved Space time in the presence of a strong Back ground magnetic field
    (Addis Ababa University, 2013-06) Mekonnen, Eshetu; Wotro, Legesse (PhD)
    In this thesis we propose a curved spacetime version of the Dirac equation. The equation has been developed mainly to try and account in a natural way for the solution of the Dirac equation in curved spacetime in an open cosmological universe with a partially horn topology in the presence of a time dependent magnetic eld. Since the exact solution cannot be obtained explicitly for arbitrary time dependence of the eld, we discuss the asymptotic behavior of the solutions with the help of the relativistic Hamilton-Jacobi equation