Quantum Simulation with Ultracold Metastable Helium in an Optical Lattice

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Understanding the behaviour of electrons in a lattice has led to the development of numerous devices now taken for granted in everyday life. But there are still many open questions concerning strongly interacting electrons in a lattice, for example, an explanation of high temperature superconductivity. This is because modelling these systems is hard, due to the quantum correlations between particles, while impurities in solid state materials hinder experimental studies. This project aims to develop a quantum simulator using ultracold helium atoms in an optical lattice to model such systems. Correlation functions will be measured by detecting individual atoms, providing a new observable to characterise many-body lattice states.