721 citations · 999 across the 6 of their papers we have counts for
1 paper · 1 filter
H. Bombin, M. Kargarian, M. A. Martin-Delgado
We introduce a two-body quantum Hamiltonian model with spins-$\half$ located on the vertices of a 2D spatial lattice. The model exhibits an exact topological degeneracy in all coup…