7–10 Apr 2025
IGAP/ICTP - Trieste (ITALY)
Europe/Rome timezone

Hyperbolic Band Theory, Higgs Bundles, and Supersymmetric Field Theory

7 Apr 2025, 12:05
35m
Budinich Lecture Hall (ICTP, Leonardo da Vinci Building) (IGAP/ICTP - Trieste (ITALY))

Budinich Lecture Hall (ICTP, Leonardo da Vinci Building)

IGAP/ICTP - Trieste (ITALY)

Strada Costiera 11, 34151 Trieste (Italy)

Speaker

Steven Rayan

Description

The advent of topological materials has brought with it new connections between physics and pure mathematics. In particular, algebraic topology has played a decisive role in the classification of these materials. In this talk, I will offer a brief look at an emerging chapter in this story in which complex algebraic geometry — in particular, of moduli spaces of unitary and nonunitary data associated with complex curves — is used to anticipate new forms of synthetic quantum matter, supported for example on 2-dimensional hyperbolic lattices. In the process, I will explain my recent joint works with J. Maciejko, E. Kienzle, and Á. Nagy respectively that lay the groundwork for, and subsequently probe, an electronic band theory for such matter. I will connect this discussion to Higgs bundles, supersymmetric Yang-Mills theory, and Nakajima quiver varieties.

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