Ultraviolet-Complete Local Field Theory of Persistent Symmetry Breaking in Dimensions

B Hawashin, J Rong, MM Scherer - Physical Review Letters, 2025 - APS
Spontaneous symmetry breaking can persist at all temperatures in certain biconical O (N)× Z
2 vector models when the underlying field theories are ultraviolet complete. So far, the …

Walking behavior induced by -symmetry breaking in a non-Hermitian model with clock anisotropy

E Naichuk, J van den Brink, FS Nogueira - Physical Review B, 2024 - APS
A quantum system governed by a non-Hermitian Hamiltonian may exhibit zero-temperature
phase transitions that are driven by interactions, just as its Hermitian counterpart, raising the …

Continuous order-to-order quantum phase transitions from fixed-point annihilation

DJ Moser, L Janssen - arxiv preprint arxiv:2412.06890, 2024 - arxiv.org
A central concept in the theory of phase transitions beyond the Landau-Ginzburg-Wilson
paradigm is fractionalization: the formation of new quasiparticles that interact via emergent …