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Course Detail

Course Name Basics of Quantum Mechanics
Course Code 25PHY312
Semester 6
Credits 4
Campus

Syllabus

UNIT 1:Introduction to Quantum mechanics: Wave function, expectation values, Schrodinger equation for free particles, Bound state problems.Linear Vector Spaces: Basics, Inner Product Spaces, Dual spaces and the Dirac Notation, Subspaces, Linear Operators, Matrix elements of linear operators, Active and Passive transformations, The Eigenvalue problem, Functions of Operators and related concepts, Generalization to infinite dimensionsUNIT 2:The Postulates, Basic postulates of quantum mechanics, Observables and operators, Measurements in quantum mechanics, Time evolution of the systems state, Symmetries and conservation laws. Connecting quantum mechanics and classical mechanics.Properties of One-Dimensional Motion: Bound, Unbound, and Mixed States, Symmetric potentials and parity, free particle, Potential step, Potential barrier and Well, Infinite square well potential, Finite square well potential.UNIT 3:Review of the Classical Oscillator, Quantization of the Oscillator (Coordinate Basis), The Oscillator in the Energy Basis, Passage from the Energy Basis to the position Basis. Matrix Representation of Various Opera- tors, Expectation Values of Various Operators. General expression for uncertainty relations.UNIT 4:Introduction, Orbital Angular Momentum, General Formalism, Matrix Representation, Geometrical Representation, Spin Angular Momentum, Experimental Evidence, theory of Spin, Spin 1/2 and Pauli Matrices. Eigen functions of orbital angular momentum: The Eigen value Problem of L2 and Lz, Properties of the Spherical Harmonics.UNIT 5:Rotations in Quantum Mechanics: Infinitesimal and Finite Rotations, Properties of the Rotation Operator, Euler Rotations, Rotation Matrices. Addition of Angular Momenta: Addition of two Angular Momenta: General formalism, Calculation of the ClebschGordan Coefficients, Addition of more than two angular momenta, Coupling of Orbital and Spin Angular Momenta, Rotation matrices for coupling two angular momenta, Scalar, Vector, and Tensor Operators.

Objectives and Outcomes

Course ObjectivesThe course emphasizes the students familiarize the mathematical background (Hilbert space) required to understand the basic and applied quantum mechanics, postulates, standard one- dimensional problems and quantum theory of angular momentum.Course OutcomesAfter completion of this course, students will be able to:CO 1: Understand and familiarize the mathematical framework (Hilbert space) required for the basic and applied quantum mechanics.CO 2: Understand the basic postulates and apply them to solve standard one-dimensional problems in quantum mechanics.CO 3: Understand and learn the basic properties of harmonic oscillators.CO 4: Learn the basic concepts of quantum theory of angular momentum and apply them realistic physical problems.CO 5: Understand the concepts of addition of quantum angular momentum, standard coupling schemes and apply them in solving standard physics problems.

Text Books / References

TEXT BOOKS:1. N Zettili, Quantum Mechanics Concepts and Applications, John Wiley & Sons, 2nd Ed, 2009.2.J Sakurai, Modern Quantum Mechanics, Pearson, 2nd Ed, 2016.REFERENCE BOOKS:1.S Gasiorowicsz, Quantum Physics, Wiley India, 3rd Ed, 2003.2.L I Schiff, Quantum Mechanics, McGraw Hill Education; 4th edition (1 July 2017).3.David Griffiths, Introduction to Quantum Mechanics, Pearson India (LPE), 2E, 2013.4.R Shankar, Principles of Quantum Mechanics, Pearson India (LPE), 2nd Ed, 2005.

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