Higher-derivative Lagrangians for spinning light
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- Aghamalyan, D. & Nersessian, A. Phys. Atom. Nuclei (2010) 73: 247. doi:10.1134/S1063778810020079
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We suggest a description of the “spinning light” propogation in media by the Lagrangians which depend on the extrincic curvatures of the light trajectory. We present the Hamiltonian formulation of two relevant systems; one of them has the Lagrangian linear on the rigidity, the Lagrangian of the second one is linear on torsion.