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Bridging Quantum Many-Body Physics and Quantum Information Theory

Isaac Kim (UC Davis)
Wednesday, January 5, 2022 - 4:00pm to 5:00pm
Strongly interacting quantum many-body systems can exhibit exotic phenomena such as the well-known fractional quantum Hall effect, first discovered in 1982. In the 2000s, it was discovered that entanglement — a non-classical form of correlation between the microscopic degrees of freedom of the many-body system — can be a useful tool to characterize the universal properties of the underlying quantum phase. More recently, progress in quantum information theory — a subject that studies fundamental properties of quantum correlations — led to new analytic and computational approaches to study these systems. I will discuss this recent progress on three different fronts: (i) discovering new topological invariants for strongly interacting phases of matter, (ii) developing novel and efficient computational tools to study interacting quantum many-body systems, (iii) and building a reliable quantum computer.
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