Quantum Field Theory (QFT)
Basic Concepts
The Definition
Four-vector space is known as ‘Minkowski space’ i.e. space + time.
Need of Four-vector
To treat space and time on equal footing and enlarge our 3D Euclidean space to 4D space-time manifold, four vector concept is introduced.
In a four vector, we have 4 components (3 for space and 1 for time), instead of 3.
Quantum Field Theory (QFT)
Basic Concepts