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DRPS : Course Catalogue : School of Physics and Astronomy : Undergraduate (School of Physics and Astronomy)

# Undergraduate Course: Introductory Fields and Waves (PHYS08053)

 School School of Physics and Astronomy College College of Science and Engineering Credit level (Normal year taken) SCQF Level 8 (Year 2 Undergraduate) Availability Available to all students SCQF Credits 20 ECTS Credits 10 Summary It consists of two 10pt halves, running in parallel: Fields and Vector Calculus and Waves and Fourier Analysis, and provides a suitable preparation for core MP in JH, in particular Electromagnetism and Relativity, and Quantum Dynamics. Course description Fields and Vector Calculus: Vectors: - Revision of vector algebra and products. Equations of line and planes. Solution of vector equations.  - Suffix notation, Kronecker delta and epsilon symbols, summation convention. Application to vector algebra.  - Orthonormal bases, change of bases and Transformation laws for scalars, vectors and pseudovectors  Fields and Vector Calculus: - Scalar and vector fields in gravitation and electrostatics. The need for vector calculus  - Equipotentials of a scalar field, gradient of a scalar field, interpretation, directional derivative  - Del as an operator. Examples of calculating gradient, product rule and chain rule.  - Divergence, curl and the Laplacian. Geometrical interpretation. Vector operator identities: product rules, etc. Proofs using a mix of explicit Cartesians, index notation, and "quick tricks".  - Revision of line integrals. Examples: work and energy, current loop. Surface integrals: definition and parametric form. Line and surface elements in curvilinear coordinates. Flux of a vector field through a surface. Example: fluid flow, electrostatics.  Electrostatics and Potential Theory: - Electric Force and Electric Field, point charges and Dirac delta function. Coulomb's law and potential due to point charge  - Integral definition of divergence; the divergence theorem. Corollaries of the divergence theorems. The continuity equation; sources and sinks in electrostatics. Conservation of mass and charge. Gauss's law for electrostatics; solving problems using symmetry.  - Line integral definition of curl; physical/geometrical interpretation; Stokes' theorem and its corollaries.  - The scalar potential: path independence and scalar potential for conservative fields. Methods for finding scalar potentials. Conservative forces and energy conservation.  Waves and Fourier Analysis: - Elementary discussion: waves on a string, wave equation, elementary solutions, transverse vs longitudinal, wavelength, frequency, velocity, travelling and standing waves.  - Stretched string from n-coupled oscillators. Linear superposition, standing waves, initial and boundary conditions, introduction to eigenfunction expansions.  - Fourier Series: periodic functions, sine/cosine and full range series, complex series, Fourier's theorem, determining coefficients, solving ODEs with Fourier series. Parseval's theorem, convergence of Fourier Series. Square waves and Gibbs phenomenon.  - Fourier Transforms: inversion formula, convolution theorem, Parseval�s theorem, Fourier transforms of Gaussians.  - Solution of ODEs with Fourier Transforms, e.g. forced damped harmonic oscillator. Expansion of general wave solution in modes, energy in waves, plane waves and spherical waves.  - Linear response (and relation to convolution theorem), delta function, Greens functions for Poisson and Wave equation, causality.  - Geometrical Optics: reflection and refraction at a plane boundary, lenses, dispersion, phase velocity and group velocity.  - Huygens principle, interference, single and double- slit diffraction, diffraction gratings.  - Photoelectric effect and double- slit diffraction revisited, De Broglie, wave- particle duality, Gaussian wave packets, Heisenberg uncertainty principle. 
 Pre-requisites Students MUST have passed: Introductory Dynamics (PHYS08052) Co-requisites Prohibited Combinations Students MUST NOT also be taking Dynamics and Vector Calculus (PHYS08043) OR Physics of Fields and Matter (PHYS08046) Other requirements None
 Pre-requisites None High Demand Course? Yes
 Academic year 2019/20, Available to all students (SV1) Quota:  None Course Start Semester 2 Timetable Timetable Learning and Teaching activities (Further Info) Total Hours: 200 ( Lecture Hours 44, Supervised Practical/Workshop/Studio Hours 40, Summative Assessment Hours 3, Revision Session Hours 4, Programme Level Learning and Teaching Hours 4, Directed Learning and Independent Learning Hours 105 ) Assessment (Further Info) Written Exam 80 %, Coursework 20 %, Practical Exam 0 % Additional Information (Assessment) 80% exam 20% coursework Feedback Feedback will be given in written comments and grades on submitted continuously assessed material, and via 1:1 discussion of tutorial questions in the workshops. Students should feel free to ask the lecturers and tutors to go through their returned coursework with them during the workshop sessions. Exam Information Exam Diet Paper Name Hours & Minutes Main Exam Diet S2 (April/May) 3:00 Resit Exam Diet (August) 3:00
 On completion of this course, the student will be able to: Mastery of suffix notation and summation convention and its use in relation to vectors and orthonormal bases. Knowledge of change of basis, orthogonal matrices and transformation laws for vectors and pseudovectors transformationA thorough knowledge of the elements of vector calculus, in differential and integral form. Understanding of the physical significance of div, grad and curl; a thorough knowledge of the application of vector calculus to the theory of electrostatics and associated calculational problems.Develop a working knowledge of the elements of Fourier Series and Fourier Transforms, and their application to a variety of linear systemsUnderstand a wide range of physical phenomena involving waves: reflection and refraction, dispersion, interference and diffraction, wave-particle duality.Devise and implement a systematic strategy for solving a simple problem by breaking it down into its constituent parts.
 KF Riley and MP Hobson, Essential Mathematical Methods for the Physical Sciences (CUP) Fourier Analysis, MR Spiegel, (Schaum) Partial Differential Equations: An Introduction (W Strauss). Vector Calculus, PC Matthews, (Springer) - first choice for the maths bit David J Griffths, Introduction to Electrodynamics (Prentice Hall) - first choice for the physics bits DE Bourne and PC Kendall, Vector Analysis and Cartesian Tensors (Chapman and Hall) MR Spiegel, Vector Analysis (Schaum); TW Korner, Fourier Analysis (CUP)
 Graduate Attributes and Skills Not entered Keywords IFW
 Course organiser Prof Avery Meiksin Tel: (0131) 668 8355 Email: A.Meiksin@ed.ac.uk Course secretary Miss Helen Walker Tel: (0131 6)50 7741 Email: hwalker7@ed.ac.uk
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