To my knowledge, to have Transfer matrix or Scattering matrix one has to solve Schrodinger equation so I don't know how these concepts are useful!
A scattering or transfer matrix is a mathematical representation of the relationship between input and output signals in a physical system. It is commonly used in the study of electromagnetic waves, quantum mechanics, and other fields of physics.
The scattering or transfer matrix is calculated by solving a set of equations that describe the behavior of the physical system. These equations take into account the properties of the materials and structures involved, such as their refractive index, thickness, and geometry.
The scattering or transfer matrix is a powerful tool in research as it allows scientists to predict the behavior of physical systems and design new devices. It is commonly used in the fields of optics, photonics, and nanotechnology to analyze and optimize the performance of various devices.
Yes, the scattering or transfer matrix can be used to model complex systems by breaking them down into smaller, simpler components. These components can then be represented by individual matrices, and their effects on the overall system can be combined to obtain the complete scattering or transfer matrix.
While the scattering or transfer matrix is a powerful tool, it has some limitations. It assumes that the physical system is linear, meaning that the input and output signals have a proportional relationship. It also assumes that the system is time-invariant, meaning that its behavior does not change over time.