Question

What is the key concept of quantum field theory?

Answer 1

Quantum field theory:

1. This theory states that the interaction of two distinct physical systems is attributed to a field that stretches from one to the other and manifests itself in component interaction between the different entities.
2. This theory is a conceptual model that encourages the evolution of quantum mechanics into a relativistic theory.
3. Quantum mechanics is all about measurement techniques, which are determined by averaging of operations throughout the platform's state vector.
4. Quantum theory begins with a simple scalar concept example. Although this example has quite evident applicability in nature, it offers significant didactical benefits since it allows for an understanding of the structural components of quantum field theory without overburdening the presentation well with additional challenges provided by spin and gauge directionality.