Physics - BSc (Hons)

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This module provides an introduction to quantum mechanics, developing knowledge of wave-functions, the Schrodinger equation, solutions and quantum numbers for important physical properties. Topics include: 2-state systems. Bras and kets. Eigenstates and Eigenvalues; Superposition Principle; Probability Amplitudes; Change of Basis; Operators. The Schrodinger equation. Stationary states. Completeness. Expectation values. Collapse of the wave function. Probability density. Solutions of the Schrodinger equation for simple physical systems with constant potentials: Free particles. Particles in a box. Classically allowed and forbidden regions. Reflection and transmission of particles incident onto a potential barrier. Probability flux. Tunnelling of particles. The simple harmonic oscillator. Atomic vibrations.

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This module will build on the general principles of quantum mechanics introduced earlier in the degree and applied them to the description of atoms, starting by the description of the hydrogen atom and covering other topics such as the effect of magnetic fields on an atom or X-ray spectra.

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This module looks to introduce a range of important laws and principles relating to the physics of electromagnetism and optics. Students will also learn mathematical techniques to enable the modelling of physical behaviour and apply important theory to a range of electromagnetism and optics scenarios.

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Most practicing physicists at some point will be required to perform experiments and take measurements. This module, through a series of experiments, seeks to allow students to become familiar with some more complex apparatus and give them the opportunity to learn the art of accurate recording and analysis of data. This data has to be put in the context of the theoretical background and an estimate of the accuracy made. Keeping of an accurate, intelligible laboratory notebook is most important. Three 3 week experiments are performed. The remaining period is allocated to some additional activities to develop communication skills including communication to a non-specialist audience.

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This module introduces and develops a knowledge of numerical approximations to solve problems in physics, building on the programming skills gained in earlier stages. In addition, it complements the analytical methods students are trained to use and extends the range of tools that they can use in later stages of the degree. This module covers for example how to solve linear equations, how to find eigenvalues and numerical integration and differentiation.

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The module will provide a firm grounding in mathematical methods: both for solving differential equations and, through the study of special functions and asymptotic analysis, to determine the properties of solutions.

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Aims: To provide a basic but rigorous grounding in observational, computational and theoretical aspects of astrophysics to build on the descriptive course in Stage 1, and to consider evidence for the existence of exoplanets in other Solar Systems.

Telescopes and detectors:

Radio telescopes; detection of radio waves, heterodyne receivers, bolometers; Optical/NIR Telescopes and detectors; basic band gap theory; CCD cameras; bias, dark and flatfield calibration frames and data reduction; Stellar Photometry: Factors affecting signal from a stars; atmospheric absorption and scattering; Filters; UBV system; Colour Index as temperature diagnostic.

Basic stellar properties:

Mass measurements: Kepler's laws; solar system; binary stars; Visual binaries; Eclipsing binaries, Spectroscopic binaries; Introduction to the Hertzsprung-Russel diagram; spectroscopic parallax Introduction to star formation: Molecular clouds; Jeans criterion for collapse; Protostars; T-Tauri stars; Contraction onto the Main Sequence; Heyney and Hayashi Tracks; Stellar spectral classification: Basic stellar properties; back body radiation; stellar spectra; radiative transfer in stellar atmospheres

Stellar Structure:

equation of hydrostatic support; Virial theorem; central pressure; mean temperature; astrophysical time scales; equations of energy generation and transportation; convective vs radiative energy transport;

Extra Solar Planets

Detection Methods; Direct Detection; Radial velocity technique; Transit method; Microlensing and direct imaging; the population of exoplanet systems, Metallicity, Eccentricity, Core Accretion and Gravitational Instability

Galaxies:

Introduction to Galaxies; Hubble classification; the Milky Way; Spirals; Dark matter; Ellipticals; Irregulars; luminosity functions; Galaxy Clusters, distributions and physical processes; The Hubble Constant, Evolution, Mergers, Star Formation History; Quasars, Seyferts and Radio Galaxies

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This module aims to provide a basic understanding of the major subsystems of a spacecraft system and the frameworks for understanding spacecraft trajectory and orbits, including interplanetary orbits, launch phase and altitude control. Students will also gain an awareness of ideas on how space is a business/commercial opportunity and some of the management tools required in business.

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Students spend a year (minimum 9 months) working in an industrial or commercial setting, applying and enhancing the skills and techniques they have developed and studied in the earlier stages of their degree programme. The work they do is entirely under the direction of their industrial supervisor, but support is provided via a dedicated Placement Support Officer within the School. This support includes ensuring that the work they are being expected to do is such that they can meet the learning outcomes of the module.

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Students spend a year (minimum 9 months) working in an industrial or commercial setting, applying and enhancing the skills and techniques they have developed and studied in the earlier stages of their degree programme.

The report required for this module should provide evidence of the subject specific and generic learning outcomes, and of reflection by the student on them as an independent learner.

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After taking the classes students should be more fluent and adept at solving and discussing general problems in Physics (and its related disciplines of mathematics and engineering).

There is no formal curriculum for this course, which uses and demands only physical and mathematical concepts with which the students at this level are already familiar.

Problems are presented and solutions discussed in topics spanning several topics in the undergraduate physics curriculum (Mechanics and statics, thermodynamics, and optics, etc).

Problems are also discussed that primarily involve the application of formal logic and reasoning, simple probability, statistics, estimation and linear mathematics.

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This module provides an opportunity for students to work in groups to tackle open ended research problems. Project themes vary from industry linked projects to academic research and education/outreach projects. Students develop a variety of presentation skills and team work within the module as well as open ended project work.

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Special Relativity: Limits of Newtonian Mechanics, Inertial frames of reference, the Galilean and Lorentz transformations, time dilation and length contraction, invariant quantities under Lorentz transformation, energy momentum 4-vector.

Maxwell's equations: operators of vector calculus, Gauss law of electrostatics and magnetostatics, Faraday's law and Ampere's law, physical meanings and integral and differential forms, dielectrics, the wave equation and solutions, Poynting vector, the Fresnel relations, transmission and reflection at dielectric boundaries.

Modern Optics: Resonant cavities and the laser, optical modes, Polarisation and Jones vector formulation.

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Thermodynamics

Review of zeroth, first, second laws. Quasistatic processes. Functions of state. Extensive and intensive properties. Exact and inexact differentials. Concept of entropy. Heat capacities. Thermodynamic potentials: internal energy, enthalpy, Helmholtz and Gibbs functions. The Maxwell relations. Concept of chemical potential. Applications to simple systems. Joule free expansion. Joule-Kelvin effect. Equilibrium conditions. Phase equilibria, Clausius-Clapeyron equation. The third law of thermodynamics and its consequences – inaccessibility of the absolute zero.

Statistical Concepts and Statistical Basis of Thermodynamics

Basic statistical concepts. Microscopic and macroscopic descriptions of thermodynamic systems. Statistical basis of Thermodynamics. Boltzmann entropy formula. Temperature and pressure. Statistical properties of molecules in a gas. Basic concepts of probability and probability distributions. Counting the number of ways to place objects in boxes. Distinguishable and indistinguishable objects. Stirling approximation(s). Schottkly defect, Spin 1/2 systems. System of harmonic oscillators. Gibbsian Ensembles. Canonical Ensemble. Gibbs entropy formula. Boltzmann distribution. Partition function. Semi-classical approach. Partition function of a single particle. Partition function of N non-interacting particles. Helmholtz free energy. Pauli paramagnetism. Semi Classical Perfect Gas. Equation of state. Entropy of a monatomic gas, Sackur-Tetrode equation. Density of states. Maxwell velocity distribution. Equipartition of Energy. Heat capacities. Grand Canonical Ensemble.

Quantum Statistics

Classical and Quantum Counting of Microstates. Average occupation numbers: Fermi Dirac and Bose Einstein statistics. The Classical Limit. Black Body radiation and perfect photon gas. Planck's law. Einstein theory of solids. Debye theory of solids.

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To provide an introduction to solid state physics. To provide foundations for the further study of materials and condensed matter, and details of solid state electronic and opto-electronic devices.

Structure:

Interaction potential for atoms and ions. Definitions, crystal types. Miller indices. Reciprocal lattice. Diffraction methods.

Dynamics of Vibrations.

Lattice dynamics, phonon dispersion curves, experimental techniques.

Electrons in k-space: metals.

Free electron theory of metals. Density of states. Fermi-Dirac distribution. Band theory of solids - Bloch's theorem. Distinction between metals and insulators. Electrical conductivity according to classical and quantum theory. Hall effect.

Semiconductors.

Band structure of ideal semiconductor. Density of states and electronic/hole densities in conduction/valence band. Intrinsic carrier density. Doped semiconductors.

Magnetism.

Definitions of dia, para, ferromagnetism. Magnetic moments. General treatment of paramagnetism, Curie's law. Introduction to ferromagnetism.

Find out more about PHYS6060

This module provides a foundation in numerical approximations to analytical methods – these techniques are essential for solving problems by computer. An indicative list of methods is: Linear equations, zeros and roots, least squares & linear regression, eigenvalues and eigenvectors, errors and finite differences, linear programming, interpolation and plotting functions, numerical integration, numerical differentiation, solutions to ordinary differential equations using numerical methods.

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Aims:

To provide experience in laboratory based experimentation, data recording and analysis and drawing of conclusions.

To develop report writing skills for scientific material.

To develop the ability to undertake investigations where, as part of the exercise, the goals and methods have to be defined by the investigator.

To develop skills in literature searches and reviews.

The module has two parts: Laboratory experiments and a mini-project. For half the term the students will work in pairs on a series of 3 two-week experiments. A report will be written by each student for each experiment.

Experiments include:

Solar cells.

NMR.

Hall effect.

Gamma ray spectroscopy.

X-ray diffraction.

Optical spectroscopy.

Mini-projects. For half the term, the students will work in pairs on a mini-project. These will be more open-ended tasks than the experiments, with only brief introductions stating the topic to be investigated with an emphasis on independent learning. A report will be written by each student on their project.

Find out more about PHYS6170

This module will introduce students to basic concepts in nuclear and particle physics, and will provide an understanding of how the principles of quantum mechanics are used to describe matter at sub-atomic length scales. The following concepts will be covered:

* Properties of nuclei: Rutherford scattering. Size, mass and binding energy, stability, spin and parity.

* Nuclear Forces: properties of the deuteron, magnetic dipole moment, spin-dependent forces.

* Nuclear Models: Semi-empirical mass formula M(A, Z), stability, binding energy B(A, Z)/A. Shell model, magic numbers, spin-orbit interaction, shell closure effects.

* Alpha and Beta decay: Energetics and stability, the positron, neutrino and anti-neutrino.

* Nuclear Reactions: Q-value. Fission and fusion reactions, chain reactions and nuclear reactors, nuclear weapons, solar energy and the helium cycle.

* Experimental methods in Nuclear and Particle Physics (Accelerators, detectors, analysis methods, case studies will be given).

* Discovery of elementary particles and the standard model of particles

* Leptons, quarks and vector bosons

* The concept of four different forces and fields in classical and quantum physics; mediation of forces via virtual particles, Feynman Diagrams

* Relativistic Kinematics

* Relativistic Quantum Mechanics and Prediction of Antiparticles

* Symmetries and Conservation Laws

* Hadron flavours, isospin, strangeness and the quark model

* Weak Interactions, W and Z bosons

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