Title screen

We review the parallels between spinning particle models described by the Lagrangians depending on the extrinsic curvatures of the worldline, and the DNA molecules. As an example of the possible transfer of the constructions of spinning particle systems to the polymer physics we suggest to reinterpret the DNA effective energy model by Feoli, Nesterenko and Scarpetta as a linear density of the energy of the DNA molecule. We perform the geometric coupling of this model to the external field in the spirit of our recent paper, and give the Hamiltonian formulation of this system.