Gauge theories, such as quantum electrodynamics, are a cornerstone of high-energy particle physics. They may also describe the physics of certain unassuming materials. Recent theoretical work moves this idea closer to reality.
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Acknowledgements
The author thanks T. Grover and A. Kobach for helpful comments. The work of J.M. is supported in part by funds provided by the US Department of Energy under cooperative research agreement DE-SC0009919.
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McGreevy, J. Quantum electrodynamics in a piece of rock. Nat Rev Phys 1, 583–584 (2019). https://doi.org/10.1038/s42254-019-0106-7
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DOI: https://doi.org/10.1038/s42254-019-0106-7