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hep-th2026
Pair creation in weak gravity and gauge backgrounds: spinning fields and binary stars
S. A. Franchino-Viñas, N. Varacalli, O. Zanusso
We study pair creation for quantum fields of spin , , and in the presence of weak gravitational and gauge backgrounds. Using resummed heat-kernel techniques, we obtain…
hep-th2026
Critical and multicritical Lee-Yang fixed points in the local potential approximation
Dario Benedetti, Fanny Eustachon, Omar Zanusso
The multicritical generalizations of the Lee-Yang universality class arise as renormalization-group fixed points of scalar field theories with complex interaction, $n\i…