A concise, beginner-friendly introduction to quantum field theory
Quantum field theory is a powerful framework that extends quantum
mechanics in ways that are essential in many modern applications.
While it is the fundamental formalism for the study of many areas
of physics, quantum field theory requires a different way of
thinking, and many newcomers to the subject struggle with the
transition from quantum mechanics. A Prelude to Quantum Field
Theory introduces the key concepts of quantum field theory in a
brief and accessible manner while never sacrificing mathematical
rigor. The result is an easy-to-use textbook that distills the most
general properties of the theory without overwhelming beginning
students with more advanced applications. Bridges quantum mechanics
and quantum field theory, emphasizing analogies and differences
Emphasizes a "quantum field theoretical mindset" while maintaining
mathematical rigor Obtains quantum fields as the continuum limit of
a quantized system of many particles Highlights the correspondence
between wave function-fundamental in quantum mechanics-and the
formalism of second quantization used in quantum field theory
Provides a step-by-step derivation of Feynman rules for the
perturbative study of interacting theories Introduces students to
renormalization, path integrals techniques, and more Discusses more
modern topics like effective field theories Ideal for both
undergraduate and graduate students Proven in the classroom
General
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