There are several excellent books on quantum mechanics that cater to different levels of understanding and interests. Here are a few highly recommended options:
"Principles of Quantum Mechanics" by R. Shankar: This book is widely regarded as a comprehensive introduction to quantum mechanics. It covers the foundational principles, mathematical formalism, and various applications of quantum mechanics. It is suitable for both undergraduate and graduate students.
"Quantum Mechanics and Path Integrals" by Richard P. Feynman and Albert R. Hibbs: This book presents quantum mechanics using the path integral formulation, providing a unique perspective on the subject. Feynman's engaging style makes it an enjoyable read, and it offers insights into the fundamental concepts of quantum mechanics.
"Quantum Mechanics: Concepts and Applications" by Nouredine Zettili: This textbook provides a comprehensive and accessible introduction to quantum mechanics, covering the mathematical formalism, principles, and applications. It includes numerous examples, exercises, and step-by-step explanations to aid understanding.
"Quantum Mechanics: Concepts and Applications" by Ajoy Ghatak and S. Lokanathan: This book is suitable for readers who prefer a more intuitive and conceptual understanding of quantum mechanics. It covers the foundational principles and applications in a reader-friendly manner, emphasizing the physical aspects of the subject.
"Quantum Mechanics: Concepts and Applications" by Nouredine Zettili: This textbook provides a comprehensive and accessible introduction to quantum mechanics, covering the mathematical formalism, principles, and applications. It includes numerous examples, exercises, and step-by-step explanations to aid understanding.
These are just a few examples, and there are many other excellent books on quantum mechanics. The choice of the "must-read" book ultimately depends on your background, level of understanding, and personal preferences. It's often helpful to read reviews and sample chapters to determine which book aligns best with your learning style and goals.