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cond-mat.str-el2026
Effective theories for many-body systems with nonuniform symmetries
Aleksander Głódkowski
The low-energy dynamics of many-body systems is governed by gapless modes whose properties are dictated by symmetry. Their existence follows from Goldstone's theorem, while their e…
hep-th2026
Geometric pairing of Nambu--Goldstone modes in spacetime symmetry breaking
Aleksander Głódkowski
We identify a geometric pairing mechanism in systems with spontaneously broken spacetime symmetries, whereby pairs of Goldstone fields become canonically conjugate and hybridize in…