PH40140: Quantum theory of matter
[Page last updated: 23 April 2025]
Academic Year: | 2025/26 |
Owning Department/School: | Department of Physics |
Credits: | 6 [equivalent to 12 CATS credits] |
Notional Study Hours: | 120 |
Level: | Masters UG & PG (FHEQ level 7) |
Period: |
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Assessment Summary: | EXOB 100% |
Assessment Detail: |
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Supplementary Assessment: |
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Requisites: | Before taking this module you must ( take PH30030 OR take PH30134 ) |
Learning Outcomes: |
After taking this unit the student should be able to:
outline the role of topology in topical problems in condensed matter physics;
describe the SSH model of polyacetylene and its properties;
explain the concept of the Berry phase in adiabatic quantum mechanics;
describe the low-energy electronic properties of graphene;
outline how topology guarantees metallic conduction on the surface of topological insulators;
set up second quantised Hamiltonians, and describe e-e and e-ph interactions up to lowest order;
write down Feynman diagrams for CMP problems, and calculate corresponding Green functions;
describe Green芒锟斤拷s functions, including how to interpret them;
apply diagrammatic techniques to calculate basic properties. |
Synopsis: | You will learn about how many-body techniques and topological band theory can be applied to a range of topics in condensed matter physics, including graphene and topological insulators. |
Content: | Topological band theory (10 hours): Review of band theory & tight binding. Topology, Berry phase. Edge states in SSH Model: existence, topological protection, bulk-boundary correspondence. Graphene: tight-binding theory; low-energy Dirac fermions; symmetries; edge states. Kane-Mele model: topological insulators.
Many-body theory (10 hours): Review of second quantisation; Green's functions and perturbation theory. Applications to the evaluation of material properties. |
Course availability: |
PH40140 is Compulsory on the following courses:Department of Physics
PH40140 is Optional on the following courses:Department of Physics
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Notes:
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