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Toward Unitary Entanglement

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Studying entanglement in many-body quantum systems is an active and exciting area of research with several key quantities only recently becoming experimentally accessible. In my talk, I will discuss the basic definition for and some lattice Monte Carlo approaches to computing the R\’enyi entanglement entropies for strongly interacting fermions. With the introduction of an auxiliary parameter, a well-known signal-to-noise problem can be circumvented, and the R\’enyi entropies can be computed using auxiliary field Monte Carlo methods. After presenting proof-of-principle results for small systems, I will comment on my progress toward characterizing universal entanglement properties of the scale-invariant Fermi gas.

This talk is part of the Lattice field theory informal seminars series.

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