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Course Detail

Course Name Mathematical Physics II
Course Code 25PHY403
Semester 7
Credits 4
Campus

Syllabus

UNIT 1:Complex numbers, Roots, Functions of a complex variable, Differentiation of a complex function, Cauchy-Riemann conditions, Analytic functions, Harmonic functions, Special Analytical functions, Multivalued functions and branch cuts, Singularities, and zeros of complex functionsUNIT 2:Complex integrals, Contour integrals, Darboux inequality, Cauchys theorem, Cauchys integral formula, Derivatives of analytic functions, Taylor and Laurent series, Uniqueness and Convergence. Poles, Residues at Poles, Residue Theorem, Evaluation of integrals using the Residue Theorem, Jordans lemma, Application of Residue Theorem. Applications of Complex variables.UNIT 3:Basics of series and first-order ODE, Second-order linear ordinary differential equations, Ordinary and singular points, Series solution: Frobenius Method, second solution, the Wronskian method, the derivative method, series form of the second solution, Polynomial solution, Solutions of Legendre, Bessel equations etc. and properties.UNIT 4:Partial differential equations (PDEs) in Physics: Laplace, Poisson, Helmholtz equations, treatment in curvilinear coordinates. Other PDEs of Mathematical Physics: diffusion and wave equations, Separation of variables, and other methods, Applications.UNIT 5:Sturm-Liouville Problem and its usage in Physics, Problems with Cylindrical symmetry: Bessel functions, Problems with Spherical Symmetry- Spherical Harmonics, Classical Orthogonal Polynomials.Introduction to Greens function: Introduction to Greens function, Properties, Greens function in one-dimension, Application in differential equations, Eigen function expansion.Elements of Group theory: Definition, Cyclic groups, group multiplication table, Isomorphic group, Representation, Special groups: SU(2), O(3).

Objectives and Outcomes

Course Objectives: The purpose of the course is to introduce students to the methods of mathematical physics and to develop required mathematical skills to solve advanced problems in theoretical physics.Course OutcomesAfter completing the course, the student should be able toCO1: Understand mathematical methods used in various advanced physics courses and apply the techniques in solving problems involvedCO2: Understand the theory of complex functions, with conditions, theorems related to Complex differentiation and Integration, and apply them in solving various types of real and complex integralsCO3: Analyse and solve second-order ordinary differential equations using Series solution method etc.CO4: Understand the Sturm-Liouville Problem and Greens functions and its usage in Physics, solutions of differential equations in rectilinear and curved coordinates with special importance to PDEs of physically relevant systems; introduction to group theory.

Text Books / References

TEXT BOOKS:1. K.F. Riley, M.P. Hobson, S.J. Bence, Mathematical Methods for Physics and Engineering, Cambridge University Press, 3rd Edition, 2018.2. G. Arfken, H. Weber and F.E. Harris, Mathematical Methods for Physicists, Elsevier Indian Reprint, 7th Edition, 2012.REFERENCE BOOKS:1.M.L.Boas, Mathematical Methods in Physical Sciences, Wiley, 3rd Edition, 2006.2.J. Mathews and R.L. Walker, Mathematical Methods of Physics, Pearson India, 2nd Edition, 2004.3. C. W. Wong, Introduction to Mathematical Physics: Methods & Concepts, Oxford, 2nd Edition, 2013.

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