A Proof of The Completeness And of The Orthonormality of The Volkov States ReferencesSECTION III FERMION AND BOSON PROPAGATORS; Chapter 5 Short-Time Quantum Propagator And Bohmian Trajectories; Abstract; Introduction; Bohmian Trajectories; The Short-Time Propagator; Short-Time Bohmian Trajectories; Conclusion; Acknowledgements; References; Chapter 6 Investigation of Free Particle Propagator With Generalized Uncertainty Problem; Abstract; Introduction; Gup-Corrected Hamiltonian; Perspicuous Form of Propagator; Conclusion; References; Chapter 7 A Cosmological Bound on e+ e-Mass Difference; Abstract; Acknowledgements; References; SECTION IV QED PROCESSES Print version record.