Functional Methods in Quantum Field Theory and Statistical Physics

This book serves as a systematic introduction to essential techniques in quantum field theory, highlighting their application across various disciplines.

In Functional Methods in Quantum Field Theory and Statistical Physics, the author provides a comprehensive exploration of the essential techniques that underpin quantum field theory. The book delves into a diverse range of applications, covering not only the fundamentals of ordinary quantum mechanics but also extending into the realms of second-quantized formulations and relativistic quantum field theory. This broad approach enables readers to appreciate the interconnectedness of various concepts within the field.

The text emphasizes the practical use of these techniques in several critical areas, such as Euclidean field theory and quantum statistics at finite temperature. By addressing these topics, the author illustrates how foundational methods can be applied to solve complex problems in statistical physics, including the classical statistics of nonideal gas and spin systems. This makes the book a valuable resource for both beginners and advanced practitioners seeking to deepen their understanding.

Moreover, the extensive chapter dedicated to variational methods and functional Legendre transformations presents original material, offering fresh insights into these vital topics. This unique content enhances the book's appeal, making it a significant addition to the literature on quantum field theory and statistical physics. Overall, Functional Methods in Quantum Field Theory and Statistical Physics serves as an essential guide for those looking to master the techniques that are crucial to these interconnected disciplines.