Historically, most renormalization group studies have been performed for equilibrium systems. Here, I give a personal reflection on the unexpected outcome of studying non-equilibrium flocking using renormalization methods.
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The author would like to acknowledge insightful discussions with H. Chate.
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Tu, Y. The renormalization group for non-equilibrium systems. Nat. Phys. 19, 1536–1538 (2023). https://doi.org/10.1038/s41567-023-02196-z
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DOI: https://doi.org/10.1038/s41567-023-02196-z