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

Undergraduate Course: Principles of Quantum Mechanics (PHYS10094)

Course Outline
SchoolSchool of Physics and Astronomy CollegeCollege of Science and Engineering
Course typeStandard AvailabilityAvailable to all students
Credit level (Normal year taken)SCQF Level 10 (Year 3 Undergraduate) Credits20
Home subject areaUndergraduate (School of Physics and Astronomy) Other subject areaNone
Course website None Taught in Gaelic?No
Course descriptionIt provides a good starting point for SH quantum courses, in particular Symmetries of Quantum Mechanics, Quantum Theory, and RQFT. The second half of the course, Quantum Physics, will continue to be available as a level 10 10pt S2 SH course for Physics, Astrophysics etc: the syllabus is essentially unchanged from the current syllabus of this course, and contains, as at present, some introductory lectures to bring together the cohorts.
Entry Requirements (not applicable to Visiting Students)
Pre-requisites Co-requisites
Prohibited Combinations Students MUST NOT also be taking Quantum Mechanics (PHYS09053) OR Quantum Physics (PHYS10043)
Other requirements None
Additional Costs None
Information for Visiting Students
Displayed in Visiting Students Prospectus?No
Course Delivery Information
Delivery period: 2014/15 Full Year, Available to all students (SV1) Learn enabled:  No Quota:  None
Web Timetable Web Timetable
Course Start Date 15/09/2014
Breakdown of Learning and Teaching activities (Further Info) Total Hours: 200 ( Lecture Hours 44, Seminar/Tutorial Hours 44, Summative Assessment Hours 3, Revision Session Hours 1, Programme Level Learning and Teaching Hours 4, Directed Learning and Independent Learning Hours 104 )
Additional Notes
Breakdown of Assessment Methods (Further Info) Written Exam 80 %, Coursework 20 %, Practical Exam 0 %
Exam Information
Exam Diet Paper Name Hours & Minutes
Main Exam Diet S2 (April/May)Principles of Quantum Mechanics3:00
Summary of Intended Learning Outcomes
- Understand the foundational principles of quantum mechanics, the underlying mathematical concepts, and how they relate to broader physical principles.
- Understand in detail the Hilbert space structure underlying the foundations of quantum mechanics.
- Understanding the difference and relation between algebraic and differential formulations and solutions of quantum mechanical problems.
- Be able to derive many of the wide range of phenomena in quantum mechanics from basic principles, including bound states and scattering.
- Derive and understand the use of quantum mechanics in atomic physics, and the wider implications of the probabilistic interpretation, spin, the Pauli principle, and so on.
- Devise and implement a systematic strategy for solving a complex problem by breaking it down into its constituent parts.
- Use the experience, intuition and mathematical tools learned from solving physics problems to solve a wider range of unseen problems.
- Resolve conceptual and technical difficulties by locating and integrating relevant information from a diverse range of sources.
Assessment Information
80% exam 20% courswork
Special Arrangements
Additional Information
Academic description Not entered
Syllabus Semester 1: Mathematical foundations of quantum mechanics

- Introduction: Particles vs Waves: photoelectric effect, double slit diffraction, linear superposition, the need for a probabilistic interpretation. [1]
- States of a quantum system as vectors in a Hilbert space. Dirac notation. Inner product of state vectors, probability. [1]
- Operators and observables, properties of Hermitian operators (orthogonality and completeness). Commutators and compatible observables. Complete Sets of Commuting Observables. Degeneracy. [1]
- The Hamiltonian as the generator of time translations: the generic Schrodinger equation. Energy and Hamiltonian. Two-state systems, examples of finite-dimensional Hilbert spaces. [1]
- Completeness and orthogonality relations for the eigenfunctions of a continuum spectrum. Dirac's delta and distributions. Position and momentum space representations. The commutation relations for x and p: the Heisenberg uncertainty relation. [2]
- The Schrodinger equation for a point particle. One-dimensional square wells, tunneling. [2]
- Solution of the one- dimensional harmonic oscillator using both Hermite polynomials, and creation and annihilation operators. Spectrum of the Hamiltonian. Explicit construction of the eigenfunctions of the Hamiltonian. [3]
- Symmetries of the Hamiltonian and eigenfunctions. Degeneracy and symmetries of the Hamiltonian. Rotational symmetry: hydrogen atom as an example. [1]
- Angular momentum and the generators of three-dimensional rotations. Algebra of the generators. Simultaneous eigenstates of L^2 and L_z. [1]
- Angular momentum using raising and lowering operators. Derivation of the spectrum, quantization of the eigenvalues. Normalization of the eigenstates. Explicit form of the eigenfunctions in terms of spherical harmonics. [2]
- Derivation of the spectrum of the hydrogen atom (both differential and algebraic). [2]
- Spin as an intrinsic property of a quantum system. More on representations of the group of rotations. Arbitrary spin and bases for the space of physical states. [1]
- Tensor product and addition of angular momentum. [2]
- Identical particles, link with the group of permutations. Two-electron wave function, combining spin and spatial wave functions. Pauli exclusion principle. Spin and statistics: bosons and fermions. Atomic structure. [2]

Semester 2: Quantum physics

- Revision: state vectors and wavefunctions, observables and operators, repeated and successive measurements, uncertainty, compatible observables, Hilbert space. [1]
- Degeneracy and measurement. Commuting sets of operators. Good quantum numbers and maximal measurements. [1]
- The time-dependent Schrodinger equation, the Hamiltonian operator, stationary states and the time-independent Schrodinger equation. Constants of motion. [1]
- Non-degenerate time-independent perturbation theory: the first-order formulae for energy shifts and wavefunction mixing. Higher-orders. [1]
- Perturbing degenerate systems: the first-order calculation of energy shifts. Lifting of degeneracy by perturbations. Special cases. [1]
- Hydrogen fine structure. Kinetic energy correction, spin-orbit correction and Darwin correction. [1]
- The Helium atom. Two-electron wavefunctions and their symmetries. First-order perturbative treatment of the inter-electron repulsion in the ground state. The first excited states of Helium: singlet-triplet splitting and exchange interaction. [2]
- Brief outline of multi-electron atoms and their treatment in the central field approximation. Slater determinants. [1]
- The Rayleigh-Ritz variational method. Ground state of Hydrogen as an example. Result for Helium atom. Variational bounds for excited states. [1]
- The H+2 ion & molecular bonding. Born-Oppenheimer approximation. Variational estimates of the ground-state energy. Brief discussion of rotational and vibrational modes. [1]
- Time-dependent Hamiltonians, the Heisenberg picture, and Heisenberg equation of motion. Equivalence of Heisenberg and Schrodinger representations. [1]
- Time-dependent perturbation theory, the Dirac picture. Transition probabilities. Special case: time-independent perturbations. [1]
- Transitions to a group of states induced by a constant perturbation: Fermi's Golden Rule. Harmonic perturbations and transitions to a group of states. [2]
- Interaction of radiation with quantum systems. Electromagnetic radiation. Interaction with a 1-electron atom. The dipole approximation. Absorption and stimulated emission of radiation. Laser action. [2]
- Spontaneous emission of radiation. Einstein A and B coefficients. Electric dipole selection rules. Parity selection rules. [1]
- Quantum scattering theory. Differential and total cross-sections. The Born approximation via Fermi's Golden Rule: density of states, incident flux, scattered flux. Differential cross-section for elastic scattering. [2]
- Scattering by central potentials. The screened Coulomb potential. Coulomb scattering and the Rutherford cross-section. Two-body scattering and the CM frame. Hidden variables and the EPR Paradox. [1]
- Bell's inequality. [1]
Transferable skills Not entered
Reading list PAM Dirac "Principles of Quantum Mechanics"
J Sakurai "Modern Quantum Mechanics"
F Mandl, "Quantum Mechanics"
DJ Griffiths, "Introduction to Quantum Mechanics"
S Gasiorowicz "Quantum Physics"
Study Abroad Not entered
Study Pattern Not entered
KeywordsNot entered
Course organiserProf Luigi Del Debbio
Tel: (0131 6)50 5212
Course secretaryMrs Bonnie Macmillan
Tel: (0131 6)50 5905
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