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Lagrangian quantum field theory in momentum picture. III. Free vector fields
Bozhidar Z. Iliev
Free vector fields, satisfying the Lorenz condition, are investigated in details in the momentum picture of motion in Lagrangian quantum field theory. The field equations are equiv…
Lagrangian quantum field theory in momentum picture. II. Free spinor fields
Bozhidar Z. Iliev
Free spinor fields, with spin 1/2, are explored in details in the momentum picture of motion in Lagrangian quantum field theory. The field equations are equivalently written in ter…
Lagrangian quantum field theory in momentum picture. I. Free scalar fields
Bozhidar Z. Iliev
The work contains a detailed investigation of free neutral (Hermitian) or charged (non-Hermitian) scalar fields and the describing them (system of) Klein-Gordon equation(s) in mome…
Momentum picture of motion in Lagrangian quantum field theory
Bozhidar Z. Iliev
The basic aspects of the momentum picture of motion in Lagrangian quantum field theory are given. Under some assumptions, this picture is a 4-dimensional analogue of the Schrödinge…
Pictures and equations of motion in Lagrangian quantum field theory
Bozhidar Z. Iliev
The Heisenberg, interaction, and Schrödinger pictures of motion are considered in Lagrangian (canonical) quantum field theory. The equations of motion (for state vectors and field…
On conserved operator quantities in quantum field theory
Bozhidar Z. Iliev
Conserved operator quantities in quantum field theory can be defined via the Noether theorem in the Lagrangian formalism and as generators of some transformations. These definition…