HATS stands for Holography and Topological Semimetals, and is the name of my Marie Skłodowska-Curie Actions postdoctoral fellowship. All of my research since September 2023 has been funded by the European Union through this fellowship.

On this page I describe the background and motivation for this research project. You can find more technical information on CORDIS, the EU’s website for research results.

Quantum Field Theory

Quantum Field Theory (QFT) is a framework used in particle physics and condensed matter physics (the physics of materials). Different QFTs are used to describe different physical objects and systems. For example, the standard model is the QFT used to in particle physics to describe how elementary particles interact with each other. In condensed matter physics, different materials are described by different QFTs.

Weyl semimetals

Semimetals are materials with properties somewhere in between those of metals and semiconductors. They conduct electricity, but only weakly. Weyl semimetals are a new class of semimetals that were experimentally discovered in 2015.

Holography

Holography, also known as the AdS/CFT correspondence, relates different physical theories. It says that certain theories of gravity in are equivalent to certain theories