TSny said:
Yes. The expression for ##F_{\mu \nu}## in (9) shows that ##F## is antisymmetric. In particular, if you let ##\mu = 0## and ##\nu = 0## in the expression for ##F_{\mu \nu}## in (9) then you see that ##F_{00} = 0##.binbagsss said:
The Electromagnetic Lagrangian is a mathematical description of the electromagnetic field. It is a function that takes into account the time and spatial coordinates to describe the energy and momentum of the electromagnetic field. It is an important tool in understanding the behavior of electromagnetic waves and their interactions with matter.
The EoM, or equations of motion, are equations derived from the Electromagnetic Lagrangian that describe the behavior of the electromagnetic field. They are used to determine the trajectories and evolution of the electromagnetic field over time.
Polarisation states refer to the different orientations of the electric and magnetic fields in an electromagnetic wave. These states can be linear, circular, or elliptical, and they play a crucial role in determining the properties of the electromagnetic wave.
The polarisation states of an electromagnetic wave determine its direction of propagation, intensity, and ability to interact with matter. They also affect the speed and frequency of the wave, as well as how it reflects and refracts when encountering different materials.
The Electromagnetic Lagrangian is used extensively in various fields such as optics, electronics, and telecommunications. It is used to study and predict the behavior of electromagnetic waves in different materials and environments, and it is also a crucial component in the development of technologies such as lasers, antennas, and optical fibers.
