The electromagnetic field is a physical field that permeates all of space and is created by the interaction of electrically charged particles, such as protons and electrons. It is a vector field that is characterized by its electric and magnetic components, which are intertwined and inseparable.
In quantum mechanics, the electromagnetic field is quantized, meaning that it is treated as a collection of discrete particles, called photons. The quantized electromagnetic field is a fundamental concept in quantum electrodynamics (QED), which is a theory that describes the behavior of charged particles in the presence of electromagnetic fields. the electromagnetic field albert shadowitz pdf
In special relativity, the electromagnetic field is described using the four-potential, which is a four-dimensional vector field that encodes the electric and magnetic components of the field. The four-potential is a fundamental concept in electromagnetism and is used to describe the behavior of charged particles in the presence of electromagnetic fields. The electromagnetic field is a physical field that