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Ted Baas
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Can someone please explain Heisenberg's S-Matrix theory in simple terms. Minimals maths please. Please be as expansive as possible.
Without maths, one cannot say much more about scattering theory except that it relates what goes "in" to a reaction and what comes "out". Think of scattering of classical bodies off a potential well in classical mechanics as a very simple example.Ted Baas said:[...] I understand (understand is perhaps too strong a word) Quantum Physics conceptually but not mathematically and I would like to learn about S-Matrix in its entirety [...]
The S-Matrix theory is a mathematical framework used in theoretical physics to describe the interactions between elementary particles. It is based on the concept of scattering amplitudes, which represent the probability amplitudes of particles interacting with each other.
The S-Matrix theory differs from other theories, such as quantum field theory, by focusing solely on the scattering of particles rather than their individual properties. This allows for a simpler and more elegant description of particle interactions.
The S-Matrix theory is significant because it provides a framework for understanding the fundamental interactions between particles and allows for the calculation of experimentally verifiable predictions. It also paved the way for the development of string theory and other modern theories of particle physics.
The S-Matrix theory is used in research to analyze and predict the behaviors of particles during collisions and interactions. It is also used in the development of new theories and models in particle physics.
Some current challenges and controversies surrounding the S-Matrix theory include its applicability to high-energy scattering processes, its connection to other theories, and its compatibility with experimental data. There is also ongoing debate about the fundamental nature of the theory and its implications for understanding the fundamental laws of physics.