Necklace-Cloverleaf Transition in Associating RNA-like Diblock Copolymers

M. V. Tamm, S. K. Nechaev

We consider a ${\mathrm{A}}_m{\mathrm{B}}_n$ diblock copolymer, whose links are capable of forming local reversible bonds with each other. We assume that the resulting structure of the bonds…