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hep-th2026
Boundary criticality in the Gross-Neveu-Yukawa model at higher orders
Oleksandr Diatlyk, Simone Giombi, Zimo Sun
We extend the study of boundary criticality in the Gross-Neveu-Yukawa universality class beyond leading order. Using the hyperbolic space formulation of boundary conformal field th…
hep-th2026
Extraordinary Surface Criticalities for Interacting Fermions
Oleksandr Diatlyk, Zimo Sun, Yifan Wang
Interacting fermions exhibit a rich landscape of surface defects and associated critical phenomena. We investigate novel surface critical behavior in the three-dimensional Gross-Ne…
hep-th2026
-symmetric Field Theories at Finite Temperature
Oleksandr Diatlyk, Andrei Katsevich, Fedor K. Popov
We investigate the thermal properties of -symmetric scalar field theories with purely imaginary couplings. The free energy governs the asymptotic density of states, p…