Quantum Many-Body Physics

Quantum Many-Body Physics: A Path Integral Approach

Decipher the collective behavior of quantum particles with the power of functional integration. Quantum Many-Body Physics provides a definitive, high-level roadmap to one of the most sophisticated frameworks in modern theoretical physics. Learn how to move beyond single-particle mechanics to model the complex, emergent phenomena of many-body systems—from superfluids and superconductors to ultracold atomic gases—using the elegant and versatile path integral formalism.

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What You Will Learn:

Path Integral Foundations: Master the transition from operator-based quantum mechanics to functional integration for both bosonic and fermionic systems.

Coherent State Path Integrals: Step-by-step guidance on constructing the grand canonical partition function and calculating thermodynamic properties of quantum gases.

Symmetry Breaking & Superfluidity: Discover how to model Bose-Einstein condensation and the BCS theory of superconductivity through the lens of effective action.

Advanced Topological Insights: Learn the mathematical techniques required to describe vortices, solitons, and other non-trivial excitations in many-body wavefunctions.

Who This Book is For: This advanced theoretical resource is essential for graduate students, theoretical physicists, and researchers in condensed matter and atomic physics. It is a vital resource for any academic professional looking to master the functional methods required for contemporary research in quantum many-body theory.

Product Details:

Format: Digital PDF Download

Author: Luca Salasnich

Publisher: CRC Press LLC

Edition: 1st Edition

Publication Date: December 12, 2025

ISBN-13: 9781032961347

ISBN-10: 1032961341