Introduction to Topological Insulators - Part 1

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• Ben McCanna
• Wednesday 18 September 2019, 12:00-13:00
• Theory Library, East Physics 415b.

If you have a question about this talk, please contact Rose Davies.

Concepts from topology are becoming increasingly prevalent in the way that physical systems are described and classified, from condensed matter to cold atoms and even oceanography. In these seminars we will introduce a few of these ideas and techniques in the band insulator context where they were popularised. This area provides a rich set of counterexamples to the Landau theory requirements for an ordered phase of matter (broken continuous symmetry, gapless Goldstone excitations), of which we will explore the main milestones. We will start with Chern insulators and the integer quantum Hall effect, before going on to examine the role of symmetries and dimensionality by looking at the SSH and Kane Mele models.

This talk is part of the PIPS - Postgraduate Informal Physics Seminars series.

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• PIPS - Postgraduate Informal Physics Seminars
• Theory Library, East Physics 415b

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