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cond-mat.mes-hall2026
Curvature Converts Phonon Hall Viscosity into Phonon Angular Momentum
Pablo A. Morales
In a flat crystalline membrane, the low-energy spectrum is dominated by a flexural mode that does not couple to phonon Hall viscosity. We show that static curvature converts normal…
cond-mat.mes-hall2026
Curvature-Controlled Infrared Regularization of Crystalline Membranes
Pablo A. Morales, Pavel Castro-Villarreal
We show that negative Gaussian curvature regularizes the infrared sector of crystalline membranes. In a covariant formulation of embedded elasticity, the Green strain contains a sy…