Quantum Field Theory


 Description
Quantum Field Theory by Mrinal Dasgupta is an advanced physics text that explains how quantum mechanics and special relativity are combined to describe the behavior of fundamental particles and their interactions. Instead of treating particles as isolated objects, the theory models them as excitations of underlying quantum fields that exist throughout space.
The book introduces the mathematical framework used to analyze particle interactions, including concepts such as field quantization, particle creation and annihilation, and interaction processes. It also explains how quantum field theory forms the theoretical foundation of modern particle physics, including the Standard Model, which describes forces like electromagnetism and the strong and weak nuclear interactions.
The text is mainly intended for graduate-level physics students and researchers who want a deeper understanding of how fundamental forces and particles behave at extremely small scales.

Theme:
The central theme of the book is:
Understanding how fundamental particles and forces arise from quantum fields and how these fields interact according to the principles of quantum mechanics and relativity.
Key Topics Covered
Classical field theory and relativistic wave equations
Quantization of fields
Particle creation and annihilation operators
Feynman diagrams and particle interactions
Symmetry principles and conservation laws
Foundations of the Standard Model of particle physics

Author(s): 

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