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If you think projection operators work in the cinema, or learning about spin-1/2 makes your head, well, spin, Quantum Mechanics DeMYSTiFieD will energize your knowledge of this topic's fundamental concepts and theories, and allow you to learn at your own pace. This thoroughly revised and updated guide eases youinto the subject, beginning with wave mechanics thenintroducing you to the mathematical foundations neededto do modern quantum physics. As you progress, you will learn the fundamentals of matrix mechanics, includinghow to compute the trace of a matrix, find eigenvalues,and use ladder operators. You will understand the difference between time independent perturbation and time dependent perturbation theory and other oncecomplicatedconcepts. Detailed examples make it easy to understand the material, and end-of-chapter quizzes and a final exam help reinforce key ideas. It's a no-brainer! You'll learn about: State Space Basis Vectors Functions of Operators The Postulates of Quantum Mechanics Angular Momentum Spin and the Pauli Matrices Scattering Theory Simple enough for a beginner, but challenging enough for an advanced student, Quantum Mechanics DeMYSTiFieD, Second Edition is your shortcut to a working knowledge of this engaging science.