Milton, Kimball A.,Cavero-pelaez, Ines.2013-08-162013-08-162005http://hdl.handle.net/11244/907Abstract not available.vii, 97 leaves ;Quantum electrodynamics.Physics, Elementary Particles and High Energy.Casimir effect.The Casimir energy and PT-symmetric theories: The dielectric cylinder and unitarity of PT-symmetric QED.Thesis