Kitaev 2006 honeycomb-model exactly solvable; bond-dependent Ising interactions yield Majorana fermions; alpha-RuCl3 + Na2IrO3 candidates with Kitaev-Heisenberg Hamiltonian.
Kitaev 2006 honeycomb-model exactly solvable; bond-dependent Ising interactions yield Majorana fermions; alpha-RuCl3 + Na2IrO3 candidates with Kitaev-Heisenberg Hamiltonian.